Home / 22,158.75-30,561.78-14,201.73

Finding the Fourth Proportional to 22,158.75, 30,561.78 and 14,201.73

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Solution

The fourth proportional to 22,158.75, 30,561.78 and 14,201.73 is: 19,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,158.75 : 30,561.78 = 14,201.73 : x
  2. Step 2: Convert to fraction form
    22,158.75/30,561.78 = 14,201.73/x
  3. Step 3: Cross multiply
    22,158.75x = 30,561.78 × 14,201.73
  4. Step 4: Simplify right side
    22,158.75x = 434,030,147.88
  5. Step 5: Solve for x
    x = 434,030,147.88/22,158.75
  6. Step 6: Final answer
    x = 19,587.30

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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.