Home / 22,726.13-34,089.20-7,143.75

Finding the Fourth Proportional to 22,726.13, 34,089.20 and 7,143.75

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Solution

The fourth proportional to 22,726.13, 34,089.20 and 7,143.75 is: 10,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,726.13 : 34,089.20 = 7,143.75 : x
  2. Step 2: Convert to fraction form
    22,726.13/34,089.20 = 7,143.75/x
  3. Step 3: Cross multiply
    22,726.13x = 34,089.20 × 7,143.75
  4. Step 4: Simplify right side
    22,726.13x = 243,524,722.50
  5. Step 5: Solve for x
    x = 243,524,722.50/22,726.13
  6. Step 6: Final answer
    x = 10,715.63

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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.