Home / 27,127.85-40,691.77-13,267.13

Finding the Fourth Proportional to 27,127.85, 40,691.77 and 13,267.13

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Solution

The fourth proportional to 27,127.85, 40,691.77 and 13,267.13 is: 19,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.85 : 40,691.77 = 13,267.13 : x
  2. Step 2: Convert to fraction form
    27,127.85/40,691.77 = 13,267.13/x
  3. Step 3: Cross multiply
    27,127.85x = 40,691.77 × 13,267.13
  4. Step 4: Simplify right side
    27,127.85x = 539,862,765.89
  5. Step 5: Solve for x
    x = 539,862,765.89/27,127.85
  6. Step 6: Final answer
    x = 19,900.69

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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.