Home / 44,131.13-66,196.69-12,966.38

Finding the Fourth Proportional to 44,131.13, 66,196.69 and 12,966.38

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Solution

The fourth proportional to 44,131.13, 66,196.69 and 12,966.38 is: 19,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,131.13 : 66,196.69 = 12,966.38 : x
  2. Step 2: Convert to fraction form
    44,131.13/66,196.69 = 12,966.38/x
  3. Step 3: Cross multiply
    44,131.13x = 66,196.69 × 12,966.38
  4. Step 4: Simplify right side
    44,131.13x = 858,331,073.88
  5. Step 5: Solve for x
    x = 858,331,073.88/44,131.13
  6. Step 6: Final answer
    x = 19,449.56

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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.