Home / 21,695.73-32,541.17-14,720.55

Finding the Fourth Proportional to 21,695.73, 32,541.17 and 14,720.55

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Solution

The fourth proportional to 21,695.73, 32,541.17 and 14,720.55 is: 22,079.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695.73 : 32,541.17 = 14,720.55 : x
  2. Step 2: Convert to fraction form
    21,695.73/32,541.17 = 14,720.55/x
  3. Step 3: Cross multiply
    21,695.73x = 32,541.17 × 14,720.55
  4. Step 4: Simplify right side
    21,695.73x = 479,023,948.86
  5. Step 5: Solve for x
    x = 479,023,948.86/21,695.73
  6. Step 6: Final answer
    x = 22,079.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.