Home / 38,811.18-58,190.85-12,148.14

Finding the Fourth Proportional to 38,811.18, 58,190.85 and 12,148.14

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Solution

The fourth proportional to 38,811.18, 58,190.85 and 12,148.14 is: 18,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,811.18 : 58,190.85 = 12,148.14 : x
  2. Step 2: Convert to fraction form
    38,811.18/58,190.85 = 12,148.14/x
  3. Step 3: Cross multiply
    38,811.18x = 58,190.85 × 12,148.14
  4. Step 4: Simplify right side
    38,811.18x = 706,910,592.52
  5. Step 5: Solve for x
    x = 706,910,592.52/38,811.18
  6. Step 6: Final answer
    x = 18,214.10

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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.