Home / 25,566.35-38,405.43-18,218.03

Finding the Fourth Proportional to 25,566.35, 38,405.43 and 18,218.03

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Solution

The fourth proportional to 25,566.35, 38,405.43 and 18,218.03 is: 27,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,566.35 : 38,405.43 = 18,218.03 : x
  2. Step 2: Convert to fraction form
    25,566.35/38,405.43 = 18,218.03/x
  3. Step 3: Cross multiply
    25,566.35x = 38,405.43 × 18,218.03
  4. Step 4: Simplify right side
    25,566.35x = 699,671,275.90
  5. Step 5: Solve for x
    x = 699,671,275.90/25,566.35
  6. Step 6: Final answer
    x = 27,366.88

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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.