Home / 20,039.20-30,062.95-5,998.66

Finding the Fourth Proportional to 20,039.20, 30,062.95 and 5,998.66

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Solution

The fourth proportional to 20,039.20, 30,062.95 and 5,998.66 is: 8,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.20 : 30,062.95 = 5,998.66 : x
  2. Step 2: Convert to fraction form
    20,039.20/30,062.95 = 5,998.66/x
  3. Step 3: Cross multiply
    20,039.20x = 30,062.95 × 5,998.66
  4. Step 4: Simplify right side
    20,039.20x = 180,337,325.49
  5. Step 5: Solve for x
    x = 180,337,325.49/20,039.20
  6. Step 6: Final answer
    x = 8,999.23

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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.