Home / 25,634.07-38,451.51-8,116.20

Finding the Fourth Proportional to 25,634.07, 38,451.51 and 8,116.20

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Solution

The fourth proportional to 25,634.07, 38,451.51 and 8,116.20 is: 12,174.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,634.07 : 38,451.51 = 8,116.20 : x
  2. Step 2: Convert to fraction form
    25,634.07/38,451.51 = 8,116.20/x
  3. Step 3: Cross multiply
    25,634.07x = 38,451.51 × 8,116.20
  4. Step 4: Simplify right side
    25,634.07x = 312,080,145.46
  5. Step 5: Solve for x
    x = 312,080,145.46/25,634.07
  6. Step 6: Final answer
    x = 12,174.43

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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.