Home / 17,619.93-26,433.78-5,140.93

Finding the Fourth Proportional to 17,619.93, 26,433.78 and 5,140.93

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Solution

The fourth proportional to 17,619.93, 26,433.78 and 5,140.93 is: 7,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.93 : 26,433.78 = 5,140.93 : x
  2. Step 2: Convert to fraction form
    17,619.93/26,433.78 = 5,140.93/x
  3. Step 3: Cross multiply
    17,619.93x = 26,433.78 × 5,140.93
  4. Step 4: Simplify right side
    17,619.93x = 135,894,212.62
  5. Step 5: Solve for x
    x = 135,894,212.62/17,619.93
  6. Step 6: Final answer
    x = 7,712.53

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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.