Home / 15,517.04-23,275.56-13,203.68

Finding the Fourth Proportional to 15,517.04, 23,275.56 and 13,203.68

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Solution

The fourth proportional to 15,517.04, 23,275.56 and 13,203.68 is: 19,805.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.04 : 23,275.56 = 13,203.68 : x
  2. Step 2: Convert to fraction form
    15,517.04/23,275.56 = 13,203.68/x
  3. Step 3: Cross multiply
    15,517.04x = 23,275.56 × 13,203.68
  4. Step 4: Simplify right side
    15,517.04x = 307,323,046.06
  5. Step 5: Solve for x
    x = 307,323,046.06/15,517.04
  6. Step 6: Final answer
    x = 19,805.52

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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.