Home / 13,867.73-20,800.22-7,625.66

Finding the Fourth Proportional to 13,867.73, 20,800.22 and 7,625.66

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Solution

The fourth proportional to 13,867.73, 20,800.22 and 7,625.66 is: 11,437.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.73 : 20,800.22 = 7,625.66 : x
  2. Step 2: Convert to fraction form
    13,867.73/20,800.22 = 7,625.66/x
  3. Step 3: Cross multiply
    13,867.73x = 20,800.22 × 7,625.66
  4. Step 4: Simplify right side
    13,867.73x = 158,615,263.52
  5. Step 5: Solve for x
    x = 158,615,263.52/13,867.73
  6. Step 6: Final answer
    x = 11,437.73

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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.