Home / 17,155.04-25,735.03-5,309.86

Finding the Fourth Proportional to 17,155.04, 25,735.03 and 5,309.86

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Solution

The fourth proportional to 17,155.04, 25,735.03 and 5,309.86 is: 7,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,155.04 : 25,735.03 = 5,309.86 : x
  2. Step 2: Convert to fraction form
    17,155.04/25,735.03 = 5,309.86/x
  3. Step 3: Cross multiply
    17,155.04x = 25,735.03 × 5,309.86
  4. Step 4: Simplify right side
    17,155.04x = 136,649,301.57
  5. Step 5: Solve for x
    x = 136,649,301.57/17,155.04
  6. Step 6: Final answer
    x = 7,965.55

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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.