Home / 15,422.52-23,146.74-12,363.96

Finding the Fourth Proportional to 15,422.52, 23,146.74 and 12,363.96

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Solution

The fourth proportional to 15,422.52, 23,146.74 and 12,363.96 is: 18,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.52 : 23,146.74 = 12,363.96 : x
  2. Step 2: Convert to fraction form
    15,422.52/23,146.74 = 12,363.96/x
  3. Step 3: Cross multiply
    15,422.52x = 23,146.74 × 12,363.96
  4. Step 4: Simplify right side
    15,422.52x = 286,185,367.49
  5. Step 5: Solve for x
    x = 286,185,367.49/15,422.52
  6. Step 6: Final answer
    x = 18,556.33

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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.