Home / 25,080.89-34,611.48-13,750.88

Finding the Fourth Proportional to 25,080.89, 34,611.48 and 13,750.88

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Solution

The fourth proportional to 25,080.89, 34,611.48 and 13,750.88 is: 18,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,080.89 : 34,611.48 = 13,750.88 : x
  2. Step 2: Convert to fraction form
    25,080.89/34,611.48 = 13,750.88/x
  3. Step 3: Cross multiply
    25,080.89x = 34,611.48 × 13,750.88
  4. Step 4: Simplify right side
    25,080.89x = 475,938,135.05
  5. Step 5: Solve for x
    x = 475,938,135.05/25,080.89
  6. Step 6: Final answer
    x = 18,976.13

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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.