Home / 21,195.94-29,248.92-11,763.76

Finding the Fourth Proportional to 21,195.94, 29,248.92 and 11,763.76

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Solution

The fourth proportional to 21,195.94, 29,248.92 and 11,763.76 is: 16,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.94 : 29,248.92 = 11,763.76 : x
  2. Step 2: Convert to fraction form
    21,195.94/29,248.92 = 11,763.76/x
  3. Step 3: Cross multiply
    21,195.94x = 29,248.92 × 11,763.76
  4. Step 4: Simplify right side
    21,195.94x = 344,077,275.14
  5. Step 5: Solve for x
    x = 344,077,275.14/21,195.94
  6. Step 6: Final answer
    x = 16,233.17

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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.