Home / 25,371.80-35,013.15-14,042.07

Finding the Fourth Proportional to 25,371.80, 35,013.15 and 14,042.07

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Solution

The fourth proportional to 25,371.80, 35,013.15 and 14,042.07 is: 19,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,371.80 : 35,013.15 = 14,042.07 : x
  2. Step 2: Convert to fraction form
    25,371.80/35,013.15 = 14,042.07/x
  3. Step 3: Cross multiply
    25,371.80x = 35,013.15 × 14,042.07
  4. Step 4: Simplify right side
    25,371.80x = 491,657,120.54
  5. Step 5: Solve for x
    x = 491,657,120.54/25,371.80
  6. Step 6: Final answer
    x = 19,378.10

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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.