Home / 17,139.42-25,687.17-14,908.90

Finding the Fourth Proportional to 17,139.42, 25,687.17 and 14,908.90

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Solution

The fourth proportional to 17,139.42, 25,687.17 and 14,908.90 is: 22,344.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.42 : 25,687.17 = 14,908.90 : x
  2. Step 2: Convert to fraction form
    17,139.42/25,687.17 = 14,908.90/x
  3. Step 3: Cross multiply
    17,139.42x = 25,687.17 × 14,908.90
  4. Step 4: Simplify right side
    17,139.42x = 382,967,548.70
  5. Step 5: Solve for x
    x = 382,967,548.70/17,139.42
  6. Step 6: Final answer
    x = 22,344.26

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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.