Home / 15,947.46-23,921.28-5,559.21

Finding the Fourth Proportional to 15,947.46, 23,921.28 and 5,559.21

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Solution

The fourth proportional to 15,947.46, 23,921.28 and 5,559.21 is: 8,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.46 : 23,921.28 = 5,559.21 : x
  2. Step 2: Convert to fraction form
    15,947.46/23,921.28 = 5,559.21/x
  3. Step 3: Cross multiply
    15,947.46x = 23,921.28 × 5,559.21
  4. Step 4: Simplify right side
    15,947.46x = 132,983,418.99
  5. Step 5: Solve for x
    x = 132,983,418.99/15,947.46
  6. Step 6: Final answer
    x = 8,338.85

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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.