Home / 16,351.03-22,565.01-9,642.43

Finding the Fourth Proportional to 16,351.03, 22,565.01 and 9,642.43

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Solution

The fourth proportional to 16,351.03, 22,565.01 and 9,642.43 is: 13,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,351.03 : 22,565.01 = 9,642.43 : x
  2. Step 2: Convert to fraction form
    16,351.03/22,565.01 = 9,642.43/x
  3. Step 3: Cross multiply
    16,351.03x = 22,565.01 × 9,642.43
  4. Step 4: Simplify right side
    16,351.03x = 217,581,529.37
  5. Step 5: Solve for x
    x = 217,581,529.37/16,351.03
  6. Step 6: Final answer
    x = 13,306.90

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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.