Home / 16,221.24-22,387.14-9,847.80

Finding the Fourth Proportional to 16,221.24, 22,387.14 and 9,847.80

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Solution

The fourth proportional to 16,221.24, 22,387.14 and 9,847.80 is: 13,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.24 : 22,387.14 = 9,847.80 : x
  2. Step 2: Convert to fraction form
    16,221.24/22,387.14 = 9,847.80/x
  3. Step 3: Cross multiply
    16,221.24x = 22,387.14 × 9,847.80
  4. Step 4: Simplify right side
    16,221.24x = 220,464,077.29
  5. Step 5: Solve for x
    x = 220,464,077.29/16,221.24
  6. Step 6: Final answer
    x = 13,591.07

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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.