Home / 18,358.92-25,335.25-10,402.66

Finding the Fourth Proportional to 18,358.92, 25,335.25 and 10,402.66

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Solution

The fourth proportional to 18,358.92, 25,335.25 and 10,402.66 is: 14,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.92 : 25,335.25 = 10,402.66 : x
  2. Step 2: Convert to fraction form
    18,358.92/25,335.25 = 10,402.66/x
  3. Step 3: Cross multiply
    18,358.92x = 25,335.25 × 10,402.66
  4. Step 4: Simplify right side
    18,358.92x = 263,553,997.43
  5. Step 5: Solve for x
    x = 263,553,997.43/18,358.92
  6. Step 6: Final answer
    x = 14,355.64

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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.