Home / 27,250.11-37,603.93-15,920.65

Finding the Fourth Proportional to 27,250.11, 37,603.93 and 15,920.65

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Solution

The fourth proportional to 27,250.11, 37,603.93 and 15,920.65 is: 21,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,250.11 : 37,603.93 = 15,920.65 : x
  2. Step 2: Convert to fraction form
    27,250.11/37,603.93 = 15,920.65/x
  3. Step 3: Cross multiply
    27,250.11x = 37,603.93 × 15,920.65
  4. Step 4: Simplify right side
    27,250.11x = 598,679,008.15
  5. Step 5: Solve for x
    x = 598,679,008.15/27,250.11
  6. Step 6: Final answer
    x = 21,969.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.