Home / 36,342.87-54,512.67-12,667.11

Finding the Fourth Proportional to 36,342.87, 54,512.67 and 12,667.11

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Solution

The fourth proportional to 36,342.87, 54,512.67 and 12,667.11 is: 19,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,342.87 : 54,512.67 = 12,667.11 : x
  2. Step 2: Convert to fraction form
    36,342.87/54,512.67 = 12,667.11/x
  3. Step 3: Cross multiply
    36,342.87x = 54,512.67 × 12,667.11
  4. Step 4: Simplify right side
    36,342.87x = 690,517,987.28
  5. Step 5: Solve for x
    x = 690,517,987.28/36,342.87
  6. Step 6: Final answer
    x = 19,000.10

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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.