Home / 27,153.92-40,731.96-11,560.88

Finding the Fourth Proportional to 27,153.92, 40,731.96 and 11,560.88

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Solution

The fourth proportional to 27,153.92, 40,731.96 and 11,560.88 is: 17,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.92 : 40,731.96 = 11,560.88 : x
  2. Step 2: Convert to fraction form
    27,153.92/40,731.96 = 11,560.88/x
  3. Step 3: Cross multiply
    27,153.92x = 40,731.96 × 11,560.88
  4. Step 4: Simplify right side
    27,153.92x = 470,897,301.72
  5. Step 5: Solve for x
    x = 470,897,301.72/27,153.92
  6. Step 6: Final answer
    x = 17,341.78

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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.