Home / 18,108.50-27,177.53-9,345.92

Finding the Fourth Proportional to 18,108.50, 27,177.53 and 9,345.92

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Solution

The fourth proportional to 18,108.50, 27,177.53 and 9,345.92 is: 14,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.50 : 27,177.53 = 9,345.92 : x
  2. Step 2: Convert to fraction form
    18,108.50/27,177.53 = 9,345.92/x
  3. Step 3: Cross multiply
    18,108.50x = 27,177.53 × 9,345.92
  4. Step 4: Simplify right side
    18,108.50x = 253,998,838.56
  5. Step 5: Solve for x
    x = 253,998,838.56/18,108.50
  6. Step 6: Final answer
    x = 14,026.50

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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.