Home / 25,195.68-34,766.37-15,121.98

Finding the Fourth Proportional to 25,195.68, 34,766.37 and 15,121.98

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Solution

The fourth proportional to 25,195.68, 34,766.37 and 15,121.98 is: 20,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,195.68 : 34,766.37 = 15,121.98 : x
  2. Step 2: Convert to fraction form
    25,195.68/34,766.37 = 15,121.98/x
  3. Step 3: Cross multiply
    25,195.68x = 34,766.37 × 15,121.98
  4. Step 4: Simplify right side
    25,195.68x = 525,736,351.81
  5. Step 5: Solve for x
    x = 525,736,351.81/25,195.68
  6. Step 6: Final answer
    x = 20,866.13

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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.