Home / 20,246.92-30,370.38-10,874.04

Finding the Fourth Proportional to 20,246.92, 30,370.38 and 10,874.04

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Solution

The fourth proportional to 20,246.92, 30,370.38 and 10,874.04 is: 16,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.92 : 30,370.38 = 10,874.04 : x
  2. Step 2: Convert to fraction form
    20,246.92/30,370.38 = 10,874.04/x
  3. Step 3: Cross multiply
    20,246.92x = 30,370.38 × 10,874.04
  4. Step 4: Simplify right side
    20,246.92x = 330,248,686.16
  5. Step 5: Solve for x
    x = 330,248,686.16/20,246.92
  6. Step 6: Final answer
    x = 16,311.06

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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.