Home / 24,675.32-34,042.38-15,721.22

Finding the Fourth Proportional to 24,675.32, 34,042.38 and 15,721.22

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Solution

The fourth proportional to 24,675.32, 34,042.38 and 15,721.22 is: 21,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,675.32 : 34,042.38 = 15,721.22 : x
  2. Step 2: Convert to fraction form
    24,675.32/34,042.38 = 15,721.22/x
  3. Step 3: Cross multiply
    24,675.32x = 34,042.38 × 15,721.22
  4. Step 4: Simplify right side
    24,675.32x = 535,187,745.30
  5. Step 5: Solve for x
    x = 535,187,745.30/24,675.32
  6. Step 6: Final answer
    x = 21,689.19

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1.5x scale

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.