Home / 13,202.25-18,219.17-7,234.13

Finding the Fourth Proportional to 13,202.25, 18,219.17 and 7,234.13

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Solution

The fourth proportional to 13,202.25, 18,219.17 and 7,234.13 is: 9,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.25 : 18,219.17 = 7,234.13 : x
  2. Step 2: Convert to fraction form
    13,202.25/18,219.17 = 7,234.13/x
  3. Step 3: Cross multiply
    13,202.25x = 18,219.17 × 7,234.13
  4. Step 4: Simplify right side
    13,202.25x = 131,799,838.77
  5. Step 5: Solve for x
    x = 131,799,838.77/13,202.25
  6. Step 6: Final answer
    x = 9,983.14

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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.