Home / 22,001.04-30,359.56-12,567.76

Finding the Fourth Proportional to 22,001.04, 30,359.56 and 12,567.76

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Solution

The fourth proportional to 22,001.04, 30,359.56 and 12,567.76 is: 17,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.04 : 30,359.56 = 12,567.76 : x
  2. Step 2: Convert to fraction form
    22,001.04/30,359.56 = 12,567.76/x
  3. Step 3: Cross multiply
    22,001.04x = 30,359.56 × 12,567.76
  4. Step 4: Simplify right side
    22,001.04x = 381,551,663.79
  5. Step 5: Solve for x
    x = 381,551,663.79/22,001.04
  6. Step 6: Final answer
    x = 17,342.44

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Half scale
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Double scale
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Similar ratio
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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.