Home / 17,517.48-26,279.19-7,656.54

Finding the Fourth Proportional to 17,517.48, 26,279.19 and 7,656.54

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Solution

The fourth proportional to 17,517.48, 26,279.19 and 7,656.54 is: 11,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,517.48 : 26,279.19 = 7,656.54 : x
  2. Step 2: Convert to fraction form
    17,517.48/26,279.19 = 7,656.54/x
  3. Step 3: Cross multiply
    17,517.48x = 26,279.19 × 7,656.54
  4. Step 4: Simplify right side
    17,517.48x = 201,207,669.40
  5. Step 5: Solve for x
    x = 201,207,669.40/17,517.48
  6. Step 6: Final answer
    x = 11,486.11

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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.