Home / 25,553.98-35,257.41-15,342.36

Finding the Fourth Proportional to 25,553.98, 35,257.41 and 15,342.36

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Solution

The fourth proportional to 25,553.98, 35,257.41 and 15,342.36 is: 21,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,553.98 : 35,257.41 = 15,342.36 : x
  2. Step 2: Convert to fraction form
    25,553.98/35,257.41 = 15,342.36/x
  3. Step 3: Cross multiply
    25,553.98x = 35,257.41 × 15,342.36
  4. Step 4: Simplify right side
    25,553.98x = 540,932,007.72
  5. Step 5: Solve for x
    x = 540,932,007.72/25,553.98
  6. Step 6: Final answer
    x = 21,168.21

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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.