Home / 16,489.62-22,755.87-9,683.19

Finding the Fourth Proportional to 16,489.62, 22,755.87 and 9,683.19

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Solution

The fourth proportional to 16,489.62, 22,755.87 and 9,683.19 is: 13,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.62 : 22,755.87 = 9,683.19 : x
  2. Step 2: Convert to fraction form
    16,489.62/22,755.87 = 9,683.19/x
  3. Step 3: Cross multiply
    16,489.62x = 22,755.87 × 9,683.19
  4. Step 4: Simplify right side
    16,489.62x = 220,349,412.83
  5. Step 5: Solve for x
    x = 220,349,412.83/16,489.62
  6. Step 6: Final answer
    x = 13,362.92

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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.