Home / 18,248.57-27,401.49-10,885.86

Finding the Fourth Proportional to 18,248.57, 27,401.49 and 10,885.86

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Solution

The fourth proportional to 18,248.57, 27,401.49 and 10,885.86 is: 16,345.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.57 : 27,401.49 = 10,885.86 : x
  2. Step 2: Convert to fraction form
    18,248.57/27,401.49 = 10,885.86/x
  3. Step 3: Cross multiply
    18,248.57x = 27,401.49 × 10,885.86
  4. Step 4: Simplify right side
    18,248.57x = 298,288,783.93
  5. Step 5: Solve for x
    x = 298,288,783.93/18,248.57
  6. Step 6: Final answer
    x = 16,345.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.