Home / 13,301.38-18,355.08-7,332.73

Finding the Fourth Proportional to 13,301.38, 18,355.08 and 7,332.73

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Solution

The fourth proportional to 13,301.38, 18,355.08 and 7,332.73 is: 10,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.38 : 18,355.08 = 7,332.73 : x
  2. Step 2: Convert to fraction form
    13,301.38/18,355.08 = 7,332.73/x
  3. Step 3: Cross multiply
    13,301.38x = 18,355.08 × 7,332.73
  4. Step 4: Simplify right side
    13,301.38x = 134,592,845.77
  5. Step 5: Solve for x
    x = 134,592,845.77/13,301.38
  6. Step 6: Final answer
    x = 10,118.71

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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.