Home / 15,232.87-20,974.63-13,333.83

Finding the Fourth Proportional to 15,232.87, 20,974.63 and 13,333.83

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Solution

The fourth proportional to 15,232.87, 20,974.63 and 13,333.83 is: 18,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232.87 : 20,974.63 = 13,333.83 : x
  2. Step 2: Convert to fraction form
    15,232.87/20,974.63 = 13,333.83/x
  3. Step 3: Cross multiply
    15,232.87x = 20,974.63 × 13,333.83
  4. Step 4: Simplify right side
    15,232.87x = 279,672,150.73
  5. Step 5: Solve for x
    x = 279,672,150.73/15,232.87
  6. Step 6: Final answer
    x = 18,359.78

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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.