Home / 20,976.17-31,454.01-7,462.83

Finding the Fourth Proportional to 20,976.17, 31,454.01 and 7,462.83

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Solution

The fourth proportional to 20,976.17, 31,454.01 and 7,462.83 is: 11,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,976.17 : 31,454.01 = 7,462.83 : x
  2. Step 2: Convert to fraction form
    20,976.17/31,454.01 = 7,462.83/x
  3. Step 3: Cross multiply
    20,976.17x = 31,454.01 × 7,462.83
  4. Step 4: Simplify right side
    20,976.17x = 234,735,929.45
  5. Step 5: Solve for x
    x = 234,735,929.45/20,976.17
  6. Step 6: Final answer
    x = 11,190.60

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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.