Home / 38,373.86-57,557.99-12,086.12

Finding the Fourth Proportional to 38,373.86, 57,557.99 and 12,086.12

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Solution

The fourth proportional to 38,373.86, 57,557.99 and 12,086.12 is: 18,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,373.86 : 57,557.99 = 12,086.12 : x
  2. Step 2: Convert to fraction form
    38,373.86/57,557.99 = 12,086.12/x
  3. Step 3: Cross multiply
    38,373.86x = 57,557.99 × 12,086.12
  4. Step 4: Simplify right side
    38,373.86x = 695,652,425.88
  5. Step 5: Solve for x
    x = 695,652,425.88/38,373.86
  6. Step 6: Final answer
    x = 18,128.29

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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.