Home / 13,293.11-18,344.71-7,324.70

Finding the Fourth Proportional to 13,293.11, 18,344.71 and 7,324.70

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Solution

The fourth proportional to 13,293.11, 18,344.71 and 7,324.70 is: 10,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.11 : 18,344.71 = 7,324.70 : x
  2. Step 2: Convert to fraction form
    13,293.11/18,344.71 = 7,324.70/x
  3. Step 3: Cross multiply
    13,293.11x = 18,344.71 × 7,324.70
  4. Step 4: Simplify right side
    13,293.11x = 134,369,414.77
  5. Step 5: Solve for x
    x = 134,369,414.77/13,293.11
  6. Step 6: Final answer
    x = 10,108.20

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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.