Home / 20,545.35-30,806.33-6,502.68

Finding the Fourth Proportional to 20,545.35, 30,806.33 and 6,502.68

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Solution

The fourth proportional to 20,545.35, 30,806.33 and 6,502.68 is: 9,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545.35 : 30,806.33 = 6,502.68 : x
  2. Step 2: Convert to fraction form
    20,545.35/30,806.33 = 6,502.68/x
  3. Step 3: Cross multiply
    20,545.35x = 30,806.33 × 6,502.68
  4. Step 4: Simplify right side
    20,545.35x = 200,323,673.45
  5. Step 5: Solve for x
    x = 200,323,673.45/20,545.35
  6. Step 6: Final answer
    x = 9,750.32

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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.