Home / 25,438.98-38,165.88-11,395.88

Finding the Fourth Proportional to 25,438.98, 38,165.88 and 11,395.88

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Solution

The fourth proportional to 25,438.98, 38,165.88 and 11,395.88 is: 17,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.98 : 38,165.88 = 11,395.88 : x
  2. Step 2: Convert to fraction form
    25,438.98/38,165.88 = 11,395.88/x
  3. Step 3: Cross multiply
    25,438.98x = 38,165.88 × 11,395.88
  4. Step 4: Simplify right side
    25,438.98x = 434,933,597.75
  5. Step 5: Solve for x
    x = 434,933,597.75/25,438.98
  6. Step 6: Final answer
    x = 17,097.13

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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.