Home / 22,039.30-30,414.27-11,967.76

Finding the Fourth Proportional to 22,039.30, 30,414.27 and 11,967.76

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Solution

The fourth proportional to 22,039.30, 30,414.27 and 11,967.76 is: 16,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.30 : 30,414.27 = 11,967.76 : x
  2. Step 2: Convert to fraction form
    22,039.30/30,414.27 = 11,967.76/x
  3. Step 3: Cross multiply
    22,039.30x = 30,414.27 × 11,967.76
  4. Step 4: Simplify right side
    22,039.30x = 363,990,683.94
  5. Step 5: Solve for x
    x = 363,990,683.94/22,039.30
  6. Step 6: Final answer
    x = 16,515.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.