Home / 15,944.32-22,003.68-9,974.08

Finding the Fourth Proportional to 15,944.32, 22,003.68 and 9,974.08

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Solution

The fourth proportional to 15,944.32, 22,003.68 and 9,974.08 is: 13,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.32 : 22,003.68 = 9,974.08 : x
  2. Step 2: Convert to fraction form
    15,944.32/22,003.68 = 9,974.08/x
  3. Step 3: Cross multiply
    15,944.32x = 22,003.68 × 9,974.08
  4. Step 4: Simplify right side
    15,944.32x = 219,466,464.61
  5. Step 5: Solve for x
    x = 219,466,464.61/15,944.32
  6. Step 6: Final answer
    x = 13,764.55

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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.