Home / 20,252.02-27,947.82-11,177.17

Finding the Fourth Proportional to 20,252.02, 27,947.82 and 11,177.17

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Solution

The fourth proportional to 20,252.02, 27,947.82 and 11,177.17 is: 15,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.02 : 27,947.82 = 11,177.17 : x
  2. Step 2: Convert to fraction form
    20,252.02/27,947.82 = 11,177.17/x
  3. Step 3: Cross multiply
    20,252.02x = 27,947.82 × 11,177.17
  4. Step 4: Simplify right side
    20,252.02x = 312,377,535.27
  5. Step 5: Solve for x
    x = 312,377,535.27/20,252.02
  6. Step 6: Final answer
    x = 15,424.51

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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.