Home / 20,967.71-31,452.55-6,176.76

Finding the Fourth Proportional to 20,967.71, 31,452.55 and 6,176.76

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Solution

The fourth proportional to 20,967.71, 31,452.55 and 6,176.76 is: 9,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967.71 : 31,452.55 = 6,176.76 : x
  2. Step 2: Convert to fraction form
    20,967.71/31,452.55 = 6,176.76/x
  3. Step 3: Cross multiply
    20,967.71x = 31,452.55 × 6,176.76
  4. Step 4: Simplify right side
    20,967.71x = 194,274,754.09
  5. Step 5: Solve for x
    x = 194,274,754.09/20,967.71
  6. Step 6: Final answer
    x = 9,265.43

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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.