Home / 18,275.46-27,409.92-5,124.60

Finding the Fourth Proportional to 18,275.46, 27,409.92 and 5,124.60

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Solution

The fourth proportional to 18,275.46, 27,409.92 and 5,124.60 is: 7,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.46 : 27,409.92 = 5,124.60 : x
  2. Step 2: Convert to fraction form
    18,275.46/27,409.92 = 5,124.60/x
  3. Step 3: Cross multiply
    18,275.46x = 27,409.92 × 5,124.60
  4. Step 4: Simplify right side
    18,275.46x = 140,464,876.03
  5. Step 5: Solve for x
    x = 140,464,876.03/18,275.46
  6. Step 6: Final answer
    x = 7,685.98

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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.