Home / 17,142.57-25,712.19-11,631.33

Finding the Fourth Proportional to 17,142.57, 25,712.19 and 11,631.33

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Solution

The fourth proportional to 17,142.57, 25,712.19 and 11,631.33 is: 17,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.57 : 25,712.19 = 11,631.33 : x
  2. Step 2: Convert to fraction form
    17,142.57/25,712.19 = 11,631.33/x
  3. Step 3: Cross multiply
    17,142.57x = 25,712.19 × 11,631.33
  4. Step 4: Simplify right side
    17,142.57x = 299,066,966.91
  5. Step 5: Solve for x
    x = 299,066,966.91/17,142.57
  6. Step 6: Final answer
    x = 17,445.87

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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.