Home / 27,607.75-41,418.15-9,139.75

Finding the Fourth Proportional to 27,607.75, 41,418.15 and 9,139.75

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Solution

The fourth proportional to 27,607.75, 41,418.15 and 9,139.75 is: 13,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,607.75 : 41,418.15 = 9,139.75 : x
  2. Step 2: Convert to fraction form
    27,607.75/41,418.15 = 9,139.75/x
  3. Step 3: Cross multiply
    27,607.75x = 41,418.15 × 9,139.75
  4. Step 4: Simplify right side
    27,607.75x = 378,551,536.46
  5. Step 5: Solve for x
    x = 378,551,536.46/27,607.75
  6. Step 6: Final answer
    x = 13,711.79

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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.