Home / 15,944.62-22,003.58-8,870.88

Finding the Fourth Proportional to 15,944.62, 22,003.58 and 8,870.88

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Solution

The fourth proportional to 15,944.62, 22,003.58 and 8,870.88 is: 12,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.62 : 22,003.58 = 8,870.88 : x
  2. Step 2: Convert to fraction form
    15,944.62/22,003.58 = 8,870.88/x
  3. Step 3: Cross multiply
    15,944.62x = 22,003.58 × 8,870.88
  4. Step 4: Simplify right side
    15,944.62x = 195,191,117.75
  5. Step 5: Solve for x
    x = 195,191,117.75/15,944.62
  6. Step 6: Final answer
    x = 12,241.82

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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.