Home / 44,013.62-66,015.75-12,422.90

Finding the Fourth Proportional to 44,013.62, 66,015.75 and 12,422.90

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Solution

The fourth proportional to 44,013.62, 66,015.75 and 12,422.90 is: 18,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,013.62 : 66,015.75 = 12,422.90 : x
  2. Step 2: Convert to fraction form
    44,013.62/66,015.75 = 12,422.90/x
  3. Step 3: Cross multiply
    44,013.62x = 66,015.75 × 12,422.90
  4. Step 4: Simplify right side
    44,013.62x = 820,107,060.68
  5. Step 5: Solve for x
    x = 820,107,060.68/44,013.62
  6. Step 6: Final answer
    x = 18,633.03

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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.