Home / 25,755.08-35,531.56-15,675.44

Finding the Fourth Proportional to 25,755.08, 35,531.56 and 15,675.44

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Solution

The fourth proportional to 25,755.08, 35,531.56 and 15,675.44 is: 21,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.08 : 35,531.56 = 15,675.44 : x
  2. Step 2: Convert to fraction form
    25,755.08/35,531.56 = 15,675.44/x
  3. Step 3: Cross multiply
    25,755.08x = 35,531.56 × 15,675.44
  4. Step 4: Simplify right side
    25,755.08x = 556,972,836.89
  5. Step 5: Solve for x
    x = 556,972,836.89/25,755.08
  6. Step 6: Final answer
    x = 21,625.75

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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.