Home / 12,022.13-18,030.96-3,255.90

Finding the Fourth Proportional to 12,022.13, 18,030.96 and 3,255.90

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Solution

The fourth proportional to 12,022.13, 18,030.96 and 3,255.90 is: 4,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.13 : 18,030.96 = 3,255.90 : x
  2. Step 2: Convert to fraction form
    12,022.13/18,030.96 = 3,255.90/x
  3. Step 3: Cross multiply
    12,022.13x = 18,030.96 × 3,255.90
  4. Step 4: Simplify right side
    12,022.13x = 58,707,002.66
  5. Step 5: Solve for x
    x = 58,707,002.66/12,022.13
  6. Step 6: Final answer
    x = 4,883.25

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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.