Home / 36,685.92-55,001.28-17,960.16

Finding the Fourth Proportional to 36,685.92, 55,001.28 and 17,960.16

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Solution

The fourth proportional to 36,685.92, 55,001.28 and 17,960.16 is: 26,926.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.92 : 55,001.28 = 17,960.16 : x
  2. Step 2: Convert to fraction form
    36,685.92/55,001.28 = 17,960.16/x
  3. Step 3: Cross multiply
    36,685.92x = 55,001.28 × 17,960.16
  4. Step 4: Simplify right side
    36,685.92x = 987,831,789.00
  5. Step 5: Solve for x
    x = 987,831,789.00/36,685.92
  6. Step 6: Final answer
    x = 26,926.73

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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.