Home / 20,740.24-31,111.92-5,949.04

Finding the Fourth Proportional to 20,740.24, 31,111.92 and 5,949.04

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Solution

The fourth proportional to 20,740.24, 31,111.92 and 5,949.04 is: 8,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740.24 : 31,111.92 = 5,949.04 : x
  2. Step 2: Convert to fraction form
    20,740.24/31,111.92 = 5,949.04/x
  3. Step 3: Cross multiply
    20,740.24x = 31,111.92 × 5,949.04
  4. Step 4: Simplify right side
    20,740.24x = 185,086,056.56
  5. Step 5: Solve for x
    x = 185,086,056.56/20,740.24
  6. Step 6: Final answer
    x = 8,924.01

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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.