Home / 17,718.36-26,583.66-7,864.53

Finding the Fourth Proportional to 17,718.36, 26,583.66 and 7,864.53

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Solution

The fourth proportional to 17,718.36, 26,583.66 and 7,864.53 is: 11,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.36 : 26,583.66 = 7,864.53 : x
  2. Step 2: Convert to fraction form
    17,718.36/26,583.66 = 7,864.53/x
  3. Step 3: Cross multiply
    17,718.36x = 26,583.66 × 7,864.53
  4. Step 4: Simplify right side
    17,718.36x = 209,067,991.58
  5. Step 5: Solve for x
    x = 209,067,991.58/17,718.36
  6. Step 6: Final answer
    x = 11,799.51

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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.