Home / 23,211.60-32,032.26-13,139.16

Finding the Fourth Proportional to 23,211.60, 32,032.26 and 13,139.16

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Solution

The fourth proportional to 23,211.60, 32,032.26 and 13,139.16 is: 18,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.60 : 32,032.26 = 13,139.16 : x
  2. Step 2: Convert to fraction form
    23,211.60/32,032.26 = 13,139.16/x
  3. Step 3: Cross multiply
    23,211.60x = 32,032.26 × 13,139.16
  4. Step 4: Simplify right side
    23,211.60x = 420,876,989.30
  5. Step 5: Solve for x
    x = 420,876,989.30/23,211.60
  6. Step 6: Final answer
    x = 18,132.18

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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.