Home / 19,747.80-29,618.78-7,264.91

Finding the Fourth Proportional to 19,747.80, 29,618.78 and 7,264.91

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Solution

The fourth proportional to 19,747.80, 29,618.78 and 7,264.91 is: 10,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,747.80 : 29,618.78 = 7,264.91 : x
  2. Step 2: Convert to fraction form
    19,747.80/29,618.78 = 7,264.91/x
  3. Step 3: Cross multiply
    19,747.80x = 29,618.78 × 7,264.91
  4. Step 4: Simplify right side
    19,747.80x = 215,177,752.15
  5. Step 5: Solve for x
    x = 215,177,752.15/19,747.80
  6. Step 6: Final answer
    x = 10,896.29

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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.