Home / 20,544.18-30,815.91-6,693.18

Finding the Fourth Proportional to 20,544.18, 30,815.91 and 6,693.18

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Solution

The fourth proportional to 20,544.18, 30,815.91 and 6,693.18 is: 10,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.18 : 30,815.91 = 6,693.18 : x
  2. Step 2: Convert to fraction form
    20,544.18/30,815.91 = 6,693.18/x
  3. Step 3: Cross multiply
    20,544.18x = 30,815.91 × 6,693.18
  4. Step 4: Simplify right side
    20,544.18x = 206,256,432.49
  5. Step 5: Solve for x
    x = 206,256,432.49/20,544.18
  6. Step 6: Final answer
    x = 10,039.65

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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.