Home / 17,610.15-26,419.55-5,130.29

Finding the Fourth Proportional to 17,610.15, 26,419.55 and 5,130.29

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Solution

The fourth proportional to 17,610.15, 26,419.55 and 5,130.29 is: 7,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,610.15 : 26,419.55 = 5,130.29 : x
  2. Step 2: Convert to fraction form
    17,610.15/26,419.55 = 5,130.29/x
  3. Step 3: Cross multiply
    17,610.15x = 26,419.55 × 5,130.29
  4. Step 4: Simplify right side
    17,610.15x = 135,539,953.17
  5. Step 5: Solve for x
    x = 135,539,953.17/17,610.15
  6. Step 6: Final answer
    x = 7,696.69

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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.