Home / 20,360.92-30,541.40-5,569.97

Finding the Fourth Proportional to 20,360.92, 30,541.40 and 5,569.97

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Solution

The fourth proportional to 20,360.92, 30,541.40 and 5,569.97 is: 8,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360.92 : 30,541.40 = 5,569.97 : x
  2. Step 2: Convert to fraction form
    20,360.92/30,541.40 = 5,569.97/x
  3. Step 3: Cross multiply
    20,360.92x = 30,541.40 × 5,569.97
  4. Step 4: Simplify right side
    20,360.92x = 170,114,553.42
  5. Step 5: Solve for x
    x = 170,114,553.42/20,360.92
  6. Step 6: Final answer
    x = 8,354.95

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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.