Home / 17,696.13-26,543.61-5,216.36

Finding the Fourth Proportional to 17,696.13, 26,543.61 and 5,216.36

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Solution

The fourth proportional to 17,696.13, 26,543.61 and 5,216.36 is: 7,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,696.13 : 26,543.61 = 5,216.36 : x
  2. Step 2: Convert to fraction form
    17,696.13/26,543.61 = 5,216.36/x
  3. Step 3: Cross multiply
    17,696.13x = 26,543.61 × 5,216.36
  4. Step 4: Simplify right side
    17,696.13x = 138,460,999.38
  5. Step 5: Solve for x
    x = 138,460,999.38/17,696.13
  6. Step 6: Final answer
    x = 7,824.37

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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.