Home / 15,744.24-21,726.20-9,029.54

Finding the Fourth Proportional to 15,744.24, 21,726.20 and 9,029.54

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Solution

The fourth proportional to 15,744.24, 21,726.20 and 9,029.54 is: 12,460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744.24 : 21,726.20 = 9,029.54 : x
  2. Step 2: Convert to fraction form
    15,744.24/21,726.20 = 9,029.54/x
  3. Step 3: Cross multiply
    15,744.24x = 21,726.20 × 9,029.54
  4. Step 4: Simplify right side
    15,744.24x = 196,177,438.17
  5. Step 5: Solve for x
    x = 196,177,438.17/15,744.24
  6. Step 6: Final answer
    x = 12,460.27

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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.