Home / 17,691.22-26,538.69-8,808.75

Finding the Fourth Proportional to 17,691.22, 26,538.69 and 8,808.75

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Solution

The fourth proportional to 17,691.22, 26,538.69 and 8,808.75 is: 13,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.22 : 26,538.69 = 8,808.75 : x
  2. Step 2: Convert to fraction form
    17,691.22/26,538.69 = 8,808.75/x
  3. Step 3: Cross multiply
    17,691.22x = 26,538.69 × 8,808.75
  4. Step 4: Simplify right side
    17,691.22x = 233,772,685.54
  5. Step 5: Solve for x
    x = 233,772,685.54/17,691.22
  6. Step 6: Final answer
    x = 13,214.05

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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.