Home / 15,382.88-23,052.88-11,631.56

Finding the Fourth Proportional to 15,382.88, 23,052.88 and 11,631.56

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Solution

The fourth proportional to 15,382.88, 23,052.88 and 11,631.56 is: 17,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382.88 : 23,052.88 = 11,631.56 : x
  2. Step 2: Convert to fraction form
    15,382.88/23,052.88 = 11,631.56/x
  3. Step 3: Cross multiply
    15,382.88x = 23,052.88 × 11,631.56
  4. Step 4: Simplify right side
    15,382.88x = 268,140,956.89
  5. Step 5: Solve for x
    x = 268,140,956.89/15,382.88
  6. Step 6: Final answer
    x = 17,431.13

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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.