Home / 12,153.42-18,230.27-3,833.24

Finding the Fourth Proportional to 12,153.42, 18,230.27 and 3,833.24

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Solution

The fourth proportional to 12,153.42, 18,230.27 and 3,833.24 is: 5,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.42 : 18,230.27 = 3,833.24 : x
  2. Step 2: Convert to fraction form
    12,153.42/18,230.27 = 3,833.24/x
  3. Step 3: Cross multiply
    12,153.42x = 18,230.27 × 3,833.24
  4. Step 4: Simplify right side
    12,153.42x = 69,880,889.86
  5. Step 5: Solve for x
    x = 69,880,889.86/12,153.42
  6. Step 6: Final answer
    x = 5,749.90

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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.