Home / 16,626.53-22,940.28-9,909.20

Finding the Fourth Proportional to 16,626.53, 22,940.28 and 9,909.20

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Solution

The fourth proportional to 16,626.53, 22,940.28 and 9,909.20 is: 13,672.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,626.53 : 22,940.28 = 9,909.20 : x
  2. Step 2: Convert to fraction form
    16,626.53/22,940.28 = 9,909.20/x
  3. Step 3: Cross multiply
    16,626.53x = 22,940.28 × 9,909.20
  4. Step 4: Simplify right side
    16,626.53x = 227,319,879.93
  5. Step 5: Solve for x
    x = 227,319,879.93/16,626.53
  6. Step 6: Final answer
    x = 13,672.12

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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.