Home / 25,454.23-38,166-11,411.72

Finding the Fourth Proportional to 25,454.23, 38,166 and 11,411.72

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Solution

The fourth proportional to 25,454.23, 38,166 and 11,411.72 is: 17,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.23 : 38,166 = 11,411.72 : x
  2. Step 2: Convert to fraction form
    25,454.23/38,166 = 11,411.72/x
  3. Step 3: Cross multiply
    25,454.23x = 38,166 × 11,411.72
  4. Step 4: Simplify right side
    25,454.23x = 435,539,705.52
  5. Step 5: Solve for x
    x = 435,539,705.52/25,454.23
  6. Step 6: Final answer
    x = 17,110.70

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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.