Home / 20,363.25-30,545.28-6,512.25

Finding the Fourth Proportional to 20,363.25, 30,545.28 and 6,512.25

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Solution

The fourth proportional to 20,363.25, 30,545.28 and 6,512.25 is: 9,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.25 : 30,545.28 = 6,512.25 : x
  2. Step 2: Convert to fraction form
    20,363.25/30,545.28 = 6,512.25/x
  3. Step 3: Cross multiply
    20,363.25x = 30,545.28 × 6,512.25
  4. Step 4: Simplify right side
    20,363.25x = 198,918,499.68
  5. Step 5: Solve for x
    x = 198,918,499.68/20,363.25
  6. Step 6: Final answer
    x = 9,768.50

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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.