Home / 18,332.50-25,298.92-11,258.86

Finding the Fourth Proportional to 18,332.50, 25,298.92 and 11,258.86

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Solution

The fourth proportional to 18,332.50, 25,298.92 and 11,258.86 is: 15,537.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.50 : 25,298.92 = 11,258.86 : x
  2. Step 2: Convert to fraction form
    18,332.50/25,298.92 = 11,258.86/x
  3. Step 3: Cross multiply
    18,332.50x = 25,298.92 × 11,258.86
  4. Step 4: Simplify right side
    18,332.50x = 284,836,998.43
  5. Step 5: Solve for x
    x = 284,836,998.43/18,332.50
  6. Step 6: Final answer
    x = 15,537.27

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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.