Home / 25,810.25-38,689.23-17,491.11

Finding the Fourth Proportional to 25,810.25, 38,689.23 and 17,491.11

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Solution

The fourth proportional to 25,810.25, 38,689.23 and 17,491.11 is: 26,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.25 : 38,689.23 = 17,491.11 : x
  2. Step 2: Convert to fraction form
    25,810.25/38,689.23 = 17,491.11/x
  3. Step 3: Cross multiply
    25,810.25x = 38,689.23 × 17,491.11
  4. Step 4: Simplify right side
    25,810.25x = 676,717,577.75
  5. Step 5: Solve for x
    x = 676,717,577.75/25,810.25
  6. Step 6: Final answer
    x = 26,218.95

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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.