Home / 20,944.91-31,410.70-6,901.83

Finding the Fourth Proportional to 20,944.91, 31,410.70 and 6,901.83

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Solution

The fourth proportional to 20,944.91, 31,410.70 and 6,901.83 is: 10,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.91 : 31,410.70 = 6,901.83 : x
  2. Step 2: Convert to fraction form
    20,944.91/31,410.70 = 6,901.83/x
  3. Step 3: Cross multiply
    20,944.91x = 31,410.70 × 6,901.83
  4. Step 4: Simplify right side
    20,944.91x = 216,791,294.33
  5. Step 5: Solve for x
    x = 216,791,294.33/20,944.91
  6. Step 6: Final answer
    x = 10,350.55

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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.