Home / 17,954.28-24,781.02-11,655.72

Finding the Fourth Proportional to 17,954.28, 24,781.02 and 11,655.72

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Solution

The fourth proportional to 17,954.28, 24,781.02 and 11,655.72 is: 16,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.28 : 24,781.02 = 11,655.72 : x
  2. Step 2: Convert to fraction form
    17,954.28/24,781.02 = 11,655.72/x
  3. Step 3: Cross multiply
    17,954.28x = 24,781.02 × 11,655.72
  4. Step 4: Simplify right side
    17,954.28x = 288,840,630.43
  5. Step 5: Solve for x
    x = 288,840,630.43/17,954.28
  6. Step 6: Final answer
    x = 16,087.56

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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.