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Finding the Fourth Proportional to 22,374.57, 30,869.22 and 13,873.63

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Solution

The fourth proportional to 22,374.57, 30,869.22 and 13,873.63 is: 19,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.57 : 30,869.22 = 13,873.63 : x
  2. Step 2: Convert to fraction form
    22,374.57/30,869.22 = 13,873.63/x
  3. Step 3: Cross multiply
    22,374.57x = 30,869.22 × 13,873.63
  4. Step 4: Simplify right side
    22,374.57x = 428,268,246.57
  5. Step 5: Solve for x
    x = 428,268,246.57/22,374.57
  6. Step 6: Final answer
    x = 19,140.85

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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.