Home / 15,318.94-22,980.57-5,456.11

Finding the Fourth Proportional to 15,318.94, 22,980.57 and 5,456.11

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Solution

The fourth proportional to 15,318.94, 22,980.57 and 5,456.11 is: 8,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.94 : 22,980.57 = 5,456.11 : x
  2. Step 2: Convert to fraction form
    15,318.94/22,980.57 = 5,456.11/x
  3. Step 3: Cross multiply
    15,318.94x = 22,980.57 × 5,456.11
  4. Step 4: Simplify right side
    15,318.94x = 125,384,517.78
  5. Step 5: Solve for x
    x = 125,384,517.78/15,318.94
  6. Step 6: Final answer
    x = 8,184.93

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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.