Home / 17,761.26-26,643.20-5,110.51

Finding the Fourth Proportional to 17,761.26, 26,643.20 and 5,110.51

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Solution

The fourth proportional to 17,761.26, 26,643.20 and 5,110.51 is: 7,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.26 : 26,643.20 = 5,110.51 : x
  2. Step 2: Convert to fraction form
    17,761.26/26,643.20 = 5,110.51/x
  3. Step 3: Cross multiply
    17,761.26x = 26,643.20 × 5,110.51
  4. Step 4: Simplify right side
    17,761.26x = 136,160,340.03
  5. Step 5: Solve for x
    x = 136,160,340.03/17,761.26
  6. Step 6: Final answer
    x = 7,666.14

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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.