Home / 22,666.14-33,990.48-8,618.80

Finding the Fourth Proportional to 22,666.14, 33,990.48 and 8,618.80

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Solution

The fourth proportional to 22,666.14, 33,990.48 and 8,618.80 is: 12,924.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.14 : 33,990.48 = 8,618.80 : x
  2. Step 2: Convert to fraction form
    22,666.14/33,990.48 = 8,618.80/x
  3. Step 3: Cross multiply
    22,666.14x = 33,990.48 × 8,618.80
  4. Step 4: Simplify right side
    22,666.14x = 292,957,149.02
  5. Step 5: Solve for x
    x = 292,957,149.02/22,666.14
  6. Step 6: Final answer
    x = 12,924.88

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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.