Home / 23,729.12-32,743.68-13,117.04

Finding the Fourth Proportional to 23,729.12, 32,743.68 and 13,117.04

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Solution

The fourth proportional to 23,729.12, 32,743.68 and 13,117.04 is: 18,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,729.12 : 32,743.68 = 13,117.04 : x
  2. Step 2: Convert to fraction form
    23,729.12/32,743.68 = 13,117.04/x
  3. Step 3: Cross multiply
    23,729.12x = 32,743.68 × 13,117.04
  4. Step 4: Simplify right side
    23,729.12x = 429,500,160.31
  5. Step 5: Solve for x
    x = 429,500,160.31/23,729.12
  6. Step 6: Final answer
    x = 18,100.13

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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.