Home / 17,890.28-24,687.42-9,932.12

Finding the Fourth Proportional to 17,890.28, 24,687.42 and 9,932.12

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Solution

The fourth proportional to 17,890.28, 24,687.42 and 9,932.12 is: 13,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.28 : 24,687.42 = 9,932.12 : x
  2. Step 2: Convert to fraction form
    17,890.28/24,687.42 = 9,932.12/x
  3. Step 3: Cross multiply
    17,890.28x = 24,687.42 × 9,932.12
  4. Step 4: Simplify right side
    17,890.28x = 245,198,417.93
  5. Step 5: Solve for x
    x = 245,198,417.93/17,890.28
  6. Step 6: Final answer
    x = 13,705.68

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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.