Home / 16,223.13-22,388.68-9,149.40

Finding the Fourth Proportional to 16,223.13, 22,388.68 and 9,149.40

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Solution

The fourth proportional to 16,223.13, 22,388.68 and 9,149.40 is: 12,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,223.13 : 22,388.68 = 9,149.40 : x
  2. Step 2: Convert to fraction form
    16,223.13/22,388.68 = 9,149.40/x
  3. Step 3: Cross multiply
    16,223.13x = 22,388.68 × 9,149.40
  4. Step 4: Simplify right side
    16,223.13x = 204,842,965.92
  5. Step 5: Solve for x
    x = 204,842,965.92/16,223.13
  6. Step 6: Final answer
    x = 12,626.60

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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.