Home / 25,175.12-34,733.02-15,611.56

Finding the Fourth Proportional to 25,175.12, 34,733.02 and 15,611.56

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Solution

The fourth proportional to 25,175.12, 34,733.02 and 15,611.56 is: 21,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.12 : 34,733.02 = 15,611.56 : x
  2. Step 2: Convert to fraction form
    25,175.12/34,733.02 = 15,611.56/x
  3. Step 3: Cross multiply
    25,175.12x = 34,733.02 × 15,611.56
  4. Step 4: Simplify right side
    25,175.12x = 542,236,625.71
  5. Step 5: Solve for x
    x = 542,236,625.71/25,175.12
  6. Step 6: Final answer
    x = 21,538.59

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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.