Home / 17,726.20-26,589.30-15,422.20

Finding the Fourth Proportional to 17,726.20, 26,589.30 and 15,422.20

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Solution

The fourth proportional to 17,726.20, 26,589.30 and 15,422.20 is: 23,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,726.20 : 26,589.30 = 15,422.20 : x
  2. Step 2: Convert to fraction form
    17,726.20/26,589.30 = 15,422.20/x
  3. Step 3: Cross multiply
    17,726.20x = 26,589.30 × 15,422.20
  4. Step 4: Simplify right side
    17,726.20x = 410,065,502.46
  5. Step 5: Solve for x
    x = 410,065,502.46/17,726.20
  6. Step 6: Final answer
    x = 23,133.30

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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.