Home / 25,040.46-34,555.86-15,609

Finding the Fourth Proportional to 25,040.46, 34,555.86 and 15,609

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Solution

The fourth proportional to 25,040.46, 34,555.86 and 15,609 is: 21,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.46 : 34,555.86 = 15,609 : x
  2. Step 2: Convert to fraction form
    25,040.46/34,555.86 = 15,609/x
  3. Step 3: Cross multiply
    25,040.46x = 34,555.86 × 15,609
  4. Step 4: Simplify right side
    25,040.46x = 539,382,418.74
  5. Step 5: Solve for x
    x = 539,382,418.74/25,040.46
  6. Step 6: Final answer
    x = 21,540.44

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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.