Home / 13,324.56-18,386.28-7,355.76

Finding the Fourth Proportional to 13,324.56, 18,386.28 and 7,355.76

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Solution

The fourth proportional to 13,324.56, 18,386.28 and 7,355.76 is: 10,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.56 : 18,386.28 = 7,355.76 : x
  2. Step 2: Convert to fraction form
    13,324.56/18,386.28 = 7,355.76/x
  3. Step 3: Cross multiply
    13,324.56x = 18,386.28 × 7,355.76
  4. Step 4: Simplify right side
    13,324.56x = 135,245,062.97
  5. Step 5: Solve for x
    x = 135,245,062.97/13,324.56
  6. Step 6: Final answer
    x = 10,150.06

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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.