Home / 17,176.47-25,731.15-11,838.70

Finding the Fourth Proportional to 17,176.47, 25,731.15 and 11,838.70

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Solution

The fourth proportional to 17,176.47, 25,731.15 and 11,838.70 is: 17,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176.47 : 25,731.15 = 11,838.70 : x
  2. Step 2: Convert to fraction form
    17,176.47/25,731.15 = 11,838.70/x
  3. Step 3: Cross multiply
    17,176.47x = 25,731.15 × 11,838.70
  4. Step 4: Simplify right side
    17,176.47x = 304,623,365.51
  5. Step 5: Solve for x
    x = 304,623,365.51/17,176.47
  6. Step 6: Final answer
    x = 17,734.92

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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.