Home / 38,487.98-57,733.60-12,192.14

Finding the Fourth Proportional to 38,487.98, 57,733.60 and 12,192.14

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Solution

The fourth proportional to 38,487.98, 57,733.60 and 12,192.14 is: 18,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487.98 : 57,733.60 = 12,192.14 : x
  2. Step 2: Convert to fraction form
    38,487.98/57,733.60 = 12,192.14/x
  3. Step 3: Cross multiply
    38,487.98x = 57,733.60 × 12,192.14
  4. Step 4: Simplify right side
    38,487.98x = 703,896,133.90
  5. Step 5: Solve for x
    x = 703,896,133.90/38,487.98
  6. Step 6: Final answer
    x = 18,288.73

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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.