Home / 12,014.11-18,023.60-4,223.53

Finding the Fourth Proportional to 12,014.11, 18,023.60 and 4,223.53

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Solution

The fourth proportional to 12,014.11, 18,023.60 and 4,223.53 is: 6,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.11 : 18,023.60 = 4,223.53 : x
  2. Step 2: Convert to fraction form
    12,014.11/18,023.60 = 4,223.53/x
  3. Step 3: Cross multiply
    12,014.11x = 18,023.60 × 4,223.53
  4. Step 4: Simplify right side
    12,014.11x = 76,123,215.31
  5. Step 5: Solve for x
    x = 76,123,215.31/12,014.11
  6. Step 6: Final answer
    x = 6,336.15

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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.