Home / 17,110.90-25,623.15-11,235.70

Finding the Fourth Proportional to 17,110.90, 25,623.15 and 11,235.70

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Solution

The fourth proportional to 17,110.90, 25,623.15 and 11,235.70 is: 16,825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110.90 : 25,623.15 = 11,235.70 : x
  2. Step 2: Convert to fraction form
    17,110.90/25,623.15 = 11,235.70/x
  3. Step 3: Cross multiply
    17,110.90x = 25,623.15 × 11,235.70
  4. Step 4: Simplify right side
    17,110.90x = 287,894,026.46
  5. Step 5: Solve for x
    x = 287,894,026.46/17,110.90
  6. Step 6: Final answer
    x = 16,825.18

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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.