Home / 12,023.28-18,035.13-5,449.53

Finding the Fourth Proportional to 12,023.28, 18,035.13 and 5,449.53

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Solution

The fourth proportional to 12,023.28, 18,035.13 and 5,449.53 is: 8,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.28 : 18,035.13 = 5,449.53 : x
  2. Step 2: Convert to fraction form
    12,023.28/18,035.13 = 5,449.53/x
  3. Step 3: Cross multiply
    12,023.28x = 18,035.13 × 5,449.53
  4. Step 4: Simplify right side
    12,023.28x = 98,282,981.99
  5. Step 5: Solve for x
    x = 98,282,981.99/12,023.28
  6. Step 6: Final answer
    x = 8,174.39

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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.