Home / 17,906.20-26,859.66-8,547.16

Finding the Fourth Proportional to 17,906.20, 26,859.66 and 8,547.16

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Solution

The fourth proportional to 17,906.20, 26,859.66 and 8,547.16 is: 12,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.20 : 26,859.66 = 8,547.16 : x
  2. Step 2: Convert to fraction form
    17,906.20/26,859.66 = 8,547.16/x
  3. Step 3: Cross multiply
    17,906.20x = 26,859.66 × 8,547.16
  4. Step 4: Simplify right side
    17,906.20x = 229,573,811.57
  5. Step 5: Solve for x
    x = 229,573,811.57/17,906.20
  6. Step 6: Final answer
    x = 12,820.91

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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.