Home / 17,766.59-26,642.34-7,899.12

Finding the Fourth Proportional to 17,766.59, 26,642.34 and 7,899.12

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Solution

The fourth proportional to 17,766.59, 26,642.34 and 7,899.12 is: 11,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,766.59 : 26,642.34 = 7,899.12 : x
  2. Step 2: Convert to fraction form
    17,766.59/26,642.34 = 7,899.12/x
  3. Step 3: Cross multiply
    17,766.59x = 26,642.34 × 7,899.12
  4. Step 4: Simplify right side
    17,766.59x = 210,451,040.74
  5. Step 5: Solve for x
    x = 210,451,040.74/17,766.59
  6. Step 6: Final answer
    x = 11,845.33

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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.