Home / 23,500.68-32,431.58-13,430.76

Finding the Fourth Proportional to 23,500.68, 32,431.58 and 13,430.76

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Solution

The fourth proportional to 23,500.68, 32,431.58 and 13,430.76 is: 18,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,500.68 : 32,431.58 = 13,430.76 : x
  2. Step 2: Convert to fraction form
    23,500.68/32,431.58 = 13,430.76/x
  3. Step 3: Cross multiply
    23,500.68x = 32,431.58 × 13,430.76
  4. Step 4: Simplify right side
    23,500.68x = 435,580,767.40
  5. Step 5: Solve for x
    x = 435,580,767.40/23,500.68
  6. Step 6: Final answer
    x = 18,534.82

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Half scale
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Double scale
Find fourth proportional to 23,501.68, 32,432.96 and 13,431.76
Similar ratio
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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.