Home / 14,600.88-20,149.20-7,886.51

Finding the Fourth Proportional to 14,600.88, 20,149.20 and 7,886.51

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Solution

The fourth proportional to 14,600.88, 20,149.20 and 7,886.51 is: 10,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.88 : 20,149.20 = 7,886.51 : x
  2. Step 2: Convert to fraction form
    14,600.88/20,149.20 = 7,886.51/x
  3. Step 3: Cross multiply
    14,600.88x = 20,149.20 × 7,886.51
  4. Step 4: Simplify right side
    14,600.88x = 158,906,766.55
  5. Step 5: Solve for x
    x = 158,906,766.55/14,600.88
  6. Step 6: Final answer
    x = 10,883.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.