Home / 17,733.60-26,578.80-13,111.20

Finding the Fourth Proportional to 17,733.60, 26,578.80 and 13,111.20

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Solution

The fourth proportional to 17,733.60, 26,578.80 and 13,111.20 is: 19,650.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,733.60 : 26,578.80 = 13,111.20 : x
  2. Step 2: Convert to fraction form
    17,733.60/26,578.80 = 13,111.20/x
  3. Step 3: Cross multiply
    17,733.60x = 26,578.80 × 13,111.20
  4. Step 4: Simplify right side
    17,733.60x = 348,479,962.56
  5. Step 5: Solve for x
    x = 348,479,962.56/17,733.60
  6. Step 6: Final answer
    x = 19,650.83

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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.