Home / 25,531.44-38,298.60-9,947.76

Finding the Fourth Proportional to 25,531.44, 38,298.60 and 9,947.76

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Solution

The fourth proportional to 25,531.44, 38,298.60 and 9,947.76 is: 14,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531.44 : 38,298.60 = 9,947.76 : x
  2. Step 2: Convert to fraction form
    25,531.44/38,298.60 = 9,947.76/x
  3. Step 3: Cross multiply
    25,531.44x = 38,298.60 × 9,947.76
  4. Step 4: Simplify right side
    25,531.44x = 380,985,281.14
  5. Step 5: Solve for x
    x = 380,985,281.14/25,531.44
  6. Step 6: Final answer
    x = 14,922.20

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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.