Home / 23,082.35-31,907.45-20,589.17

Finding the Fourth Proportional to 23,082.35, 31,907.45 and 20,589.17

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Solution

The fourth proportional to 23,082.35, 31,907.45 and 20,589.17 is: 28,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,082.35 : 31,907.45 = 20,589.17 : x
  2. Step 2: Convert to fraction form
    23,082.35/31,907.45 = 20,589.17/x
  3. Step 3: Cross multiply
    23,082.35x = 31,907.45 × 20,589.17
  4. Step 4: Simplify right side
    23,082.35x = 656,947,983.73
  5. Step 5: Solve for x
    x = 656,947,983.73/23,082.35
  6. Step 6: Final answer
    x = 28,461.05

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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.