Home / 22,589.18-31,178.28-15,035.82

Finding the Fourth Proportional to 22,589.18, 31,178.28 and 15,035.82

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Solution

The fourth proportional to 22,589.18, 31,178.28 and 15,035.82 is: 20,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,589.18 : 31,178.28 = 15,035.82 : x
  2. Step 2: Convert to fraction form
    22,589.18/31,178.28 = 15,035.82/x
  3. Step 3: Cross multiply
    22,589.18x = 31,178.28 × 15,035.82
  4. Step 4: Simplify right side
    22,589.18x = 468,791,005.99
  5. Step 5: Solve for x
    x = 468,791,005.99/22,589.18
  6. Step 6: Final answer
    x = 20,752.90

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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.