Home / 23,450.81-32,362.13-12,840.44

Finding the Fourth Proportional to 23,450.81, 32,362.13 and 12,840.44

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Solution

The fourth proportional to 23,450.81, 32,362.13 and 12,840.44 is: 17,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,450.81 : 32,362.13 = 12,840.44 : x
  2. Step 2: Convert to fraction form
    23,450.81/32,362.13 = 12,840.44/x
  3. Step 3: Cross multiply
    23,450.81x = 32,362.13 × 12,840.44
  4. Step 4: Simplify right side
    23,450.81x = 415,543,988.54
  5. Step 5: Solve for x
    x = 415,543,988.54/23,450.81
  6. Step 6: Final answer
    x = 17,719.81

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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.