Home / 25,126.98-34,691.46-15,577.08

Finding the Fourth Proportional to 25,126.98, 34,691.46 and 15,577.08

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Solution

The fourth proportional to 25,126.98, 34,691.46 and 15,577.08 is: 21,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,126.98 : 34,691.46 = 15,577.08 : x
  2. Step 2: Convert to fraction form
    25,126.98/34,691.46 = 15,577.08/x
  3. Step 3: Cross multiply
    25,126.98x = 34,691.46 × 15,577.08
  4. Step 4: Simplify right side
    25,126.98x = 540,391,474.28
  5. Step 5: Solve for x
    x = 540,391,474.28/25,126.98
  6. Step 6: Final answer
    x = 21,506.42

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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.