Home / 12,366.72-18,553.20-3,602.40

Finding the Fourth Proportional to 12,366.72, 18,553.20 and 3,602.40

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Solution

The fourth proportional to 12,366.72, 18,553.20 and 3,602.40 is: 5,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.72 : 18,553.20 = 3,602.40 : x
  2. Step 2: Convert to fraction form
    12,366.72/18,553.20 = 3,602.40/x
  3. Step 3: Cross multiply
    12,366.72x = 18,553.20 × 3,602.40
  4. Step 4: Simplify right side
    12,366.72x = 66,836,047.68
  5. Step 5: Solve for x
    x = 66,836,047.68/12,366.72
  6. Step 6: Final answer
    x = 5,404.51

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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.