Home / 22,144.38-30,561.06-12,714.78

Finding the Fourth Proportional to 22,144.38, 30,561.06 and 12,714.78

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Solution

The fourth proportional to 22,144.38, 30,561.06 and 12,714.78 is: 17,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.38 : 30,561.06 = 12,714.78 : x
  2. Step 2: Convert to fraction form
    22,144.38/30,561.06 = 12,714.78/x
  3. Step 3: Cross multiply
    22,144.38x = 30,561.06 × 12,714.78
  4. Step 4: Simplify right side
    22,144.38x = 388,577,154.47
  5. Step 5: Solve for x
    x = 388,577,154.47/22,144.38
  6. Step 6: Final answer
    x = 17,547.44

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Half scale
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Double scale
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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.