Home / 12,151.95-18,230.35-3,832.74

Finding the Fourth Proportional to 12,151.95, 18,230.35 and 3,832.74

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Solution

The fourth proportional to 12,151.95, 18,230.35 and 3,832.74 is: 5,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.95 : 18,230.35 = 3,832.74 : x
  2. Step 2: Convert to fraction form
    12,151.95/18,230.35 = 3,832.74/x
  3. Step 3: Cross multiply
    12,151.95x = 18,230.35 × 3,832.74
  4. Step 4: Simplify right side
    12,151.95x = 69,872,191.66
  5. Step 5: Solve for x
    x = 69,872,191.66/12,151.95
  6. Step 6: Final answer
    x = 5,749.87

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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.