Home / 13,292.38-18,342.66-7,323.73

Finding the Fourth Proportional to 13,292.38, 18,342.66 and 7,323.73

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Solution

The fourth proportional to 13,292.38, 18,342.66 and 7,323.73 is: 10,106.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.38 : 18,342.66 = 7,323.73 : x
  2. Step 2: Convert to fraction form
    13,292.38/18,342.66 = 7,323.73/x
  3. Step 3: Cross multiply
    13,292.38x = 18,342.66 × 7,323.73
  4. Step 4: Simplify right side
    13,292.38x = 134,336,689.32
  5. Step 5: Solve for x
    x = 134,336,689.32/13,292.38
  6. Step 6: Final answer
    x = 10,106.29

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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.