Home / 44,084.52-66,127.32-12,920.40

Finding the Fourth Proportional to 44,084.52, 66,127.32 and 12,920.40

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Solution

The fourth proportional to 44,084.52, 66,127.32 and 12,920.40 is: 19,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,084.52 : 66,127.32 = 12,920.40 : x
  2. Step 2: Convert to fraction form
    44,084.52/66,127.32 = 12,920.40/x
  3. Step 3: Cross multiply
    44,084.52x = 66,127.32 × 12,920.40
  4. Step 4: Simplify right side
    44,084.52x = 854,391,425.33
  5. Step 5: Solve for x
    x = 854,391,425.33/44,084.52
  6. Step 6: Final answer
    x = 19,380.76

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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.