Home / 20,632.89-30,947.43-5,841.48

Finding the Fourth Proportional to 20,632.89, 30,947.43 and 5,841.48

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Solution

The fourth proportional to 20,632.89, 30,947.43 and 5,841.48 is: 8,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.89 : 30,947.43 = 5,841.48 : x
  2. Step 2: Convert to fraction form
    20,632.89/30,947.43 = 5,841.48/x
  3. Step 3: Cross multiply
    20,632.89x = 30,947.43 × 5,841.48
  4. Step 4: Simplify right side
    20,632.89x = 180,778,793.40
  5. Step 5: Solve for x
    x = 180,778,793.40/20,632.89
  6. Step 6: Final answer
    x = 8,761.68

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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.