Home / 19,147.71-28,721.58-6,001.12

Finding the Fourth Proportional to 19,147.71, 28,721.58 and 6,001.12

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Solution

The fourth proportional to 19,147.71, 28,721.58 and 6,001.12 is: 9,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.71 : 28,721.58 = 6,001.12 : x
  2. Step 2: Convert to fraction form
    19,147.71/28,721.58 = 6,001.12/x
  3. Step 3: Cross multiply
    19,147.71x = 28,721.58 × 6,001.12
  4. Step 4: Simplify right side
    19,147.71x = 172,361,648.17
  5. Step 5: Solve for x
    x = 172,361,648.17/19,147.71
  6. Step 6: Final answer
    x = 9,001.68

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.