Home / 20,444.92-30,679.20-8,597.76

Finding the Fourth Proportional to 20,444.92, 30,679.20 and 8,597.76

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Solution

The fourth proportional to 20,444.92, 30,679.20 and 8,597.76 is: 12,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.92 : 30,679.20 = 8,597.76 : x
  2. Step 2: Convert to fraction form
    20,444.92/30,679.20 = 8,597.76/x
  3. Step 3: Cross multiply
    20,444.92x = 30,679.20 × 8,597.76
  4. Step 4: Simplify right side
    20,444.92x = 263,772,398.59
  5. Step 5: Solve for x
    x = 263,772,398.59/20,444.92
  6. Step 6: Final answer
    x = 12,901.61

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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.