Home / 22,117.20-33,127.20-8,962.80

Finding the Fourth Proportional to 22,117.20, 33,127.20 and 8,962.80

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Solution

The fourth proportional to 22,117.20, 33,127.20 and 8,962.80 is: 13,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.20 : 33,127.20 = 8,962.80 : x
  2. Step 2: Convert to fraction form
    22,117.20/33,127.20 = 8,962.80/x
  3. Step 3: Cross multiply
    22,117.20x = 33,127.20 × 8,962.80
  4. Step 4: Simplify right side
    22,117.20x = 296,912,468.16
  5. Step 5: Solve for x
    x = 296,912,468.16/22,117.20
  6. Step 6: Final answer
    x = 13,424.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.