Home / 17,005.69-25,508.60-5,159.57

Finding the Fourth Proportional to 17,005.69, 25,508.60 and 5,159.57

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Solution

The fourth proportional to 17,005.69, 25,508.60 and 5,159.57 is: 7,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,005.69 : 25,508.60 = 5,159.57 : x
  2. Step 2: Convert to fraction form
    17,005.69/25,508.60 = 5,159.57/x
  3. Step 3: Cross multiply
    17,005.69x = 25,508.60 × 5,159.57
  4. Step 4: Simplify right side
    17,005.69x = 131,613,407.30
  5. Step 5: Solve for x
    x = 131,613,407.30/17,005.69
  6. Step 6: Final answer
    x = 7,739.37

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1.5x scale

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.