Home / 27,904.16-38,513.40-17,144.12

Finding the Fourth Proportional to 27,904.16, 38,513.40 and 17,144.12

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Solution

The fourth proportional to 27,904.16, 38,513.40 and 17,144.12 is: 23,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.16 : 38,513.40 = 17,144.12 : x
  2. Step 2: Convert to fraction form
    27,904.16/38,513.40 = 17,144.12/x
  3. Step 3: Cross multiply
    27,904.16x = 38,513.40 × 17,144.12
  4. Step 4: Simplify right side
    27,904.16x = 660,278,351.21
  5. Step 5: Solve for x
    x = 660,278,351.21/27,904.16
  6. Step 6: Final answer
    x = 23,662.36

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Half scale
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Double scale
Find fourth proportional to 27,905.16, 38,514.78 and 17,145.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.