Home / 17,171.66-23,686.43-11,350.77

Finding the Fourth Proportional to 17,171.66, 23,686.43 and 11,350.77

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Solution

The fourth proportional to 17,171.66, 23,686.43 and 11,350.77 is: 15,657.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,171.66 : 23,686.43 = 11,350.77 : x
  2. Step 2: Convert to fraction form
    17,171.66/23,686.43 = 11,350.77/x
  3. Step 3: Cross multiply
    17,171.66x = 23,686.43 × 11,350.77
  4. Step 4: Simplify right side
    17,171.66x = 268,859,073.47
  5. Step 5: Solve for x
    x = 268,859,073.47/17,171.66
  6. Step 6: Final answer
    x = 15,657.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.