Home / 17,746.68-26,636.42-8,987.75

Finding the Fourth Proportional to 17,746.68, 26,636.42 and 8,987.75

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Solution

The fourth proportional to 17,746.68, 26,636.42 and 8,987.75 is: 13,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,746.68 : 26,636.42 = 8,987.75 : x
  2. Step 2: Convert to fraction form
    17,746.68/26,636.42 = 8,987.75/x
  3. Step 3: Cross multiply
    17,746.68x = 26,636.42 × 8,987.75
  4. Step 4: Simplify right side
    17,746.68x = 239,401,305.73
  5. Step 5: Solve for x
    x = 239,401,305.73/17,746.68
  6. Step 6: Final answer
    x = 13,489.92

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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.