Home / 25,872.82-38,750.88-18,116.26

Finding the Fourth Proportional to 25,872.82, 38,750.88 and 18,116.26

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Solution

The fourth proportional to 25,872.82, 38,750.88 and 18,116.26 is: 27,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,872.82 : 38,750.88 = 18,116.26 : x
  2. Step 2: Convert to fraction form
    25,872.82/38,750.88 = 18,116.26/x
  3. Step 3: Cross multiply
    25,872.82x = 38,750.88 × 18,116.26
  4. Step 4: Simplify right side
    25,872.82x = 702,021,017.31
  5. Step 5: Solve for x
    x = 702,021,017.31/25,872.82
  6. Step 6: Final answer
    x = 27,133.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.