Home / 13,324.06-18,387.22-7,355.73

Finding the Fourth Proportional to 13,324.06, 18,387.22 and 7,355.73

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Solution

The fourth proportional to 13,324.06, 18,387.22 and 7,355.73 is: 10,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.06 : 18,387.22 = 7,355.73 : x
  2. Step 2: Convert to fraction form
    13,324.06/18,387.22 = 7,355.73/x
  3. Step 3: Cross multiply
    13,324.06x = 18,387.22 × 7,355.73
  4. Step 4: Simplify right side
    13,324.06x = 135,251,386.70
  5. Step 5: Solve for x
    x = 135,251,386.70/13,324.06
  6. Step 6: Final answer
    x = 10,150.91

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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.