Home / 23,451.07-32,361.36-12,840.76

Finding the Fourth Proportional to 23,451.07, 32,361.36 and 12,840.76

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Solution

The fourth proportional to 23,451.07, 32,361.36 and 12,840.76 is: 17,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,451.07 : 32,361.36 = 12,840.76 : x
  2. Step 2: Convert to fraction form
    23,451.07/32,361.36 = 12,840.76/x
  3. Step 3: Cross multiply
    23,451.07x = 32,361.36 × 12,840.76
  4. Step 4: Simplify right side
    23,451.07x = 415,544,457.03
  5. Step 5: Solve for x
    x = 415,544,457.03/23,451.07
  6. Step 6: Final answer
    x = 17,719.64

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Find fourth proportional to 11,725.54, 16,180.68 and 6,420.38
Half scale
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Double scale
Find fourth proportional to 23,452.07, 32,362.74 and 12,841.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.