Home / 12,319.92-18,477.66-3,552.68

Finding the Fourth Proportional to 12,319.92, 18,477.66 and 3,552.68

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Solution

The fourth proportional to 12,319.92, 18,477.66 and 3,552.68 is: 5,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.92 : 18,477.66 = 3,552.68 : x
  2. Step 2: Convert to fraction form
    12,319.92/18,477.66 = 3,552.68/x
  3. Step 3: Cross multiply
    12,319.92x = 18,477.66 × 3,552.68
  4. Step 4: Simplify right side
    12,319.92x = 65,645,213.13
  5. Step 5: Solve for x
    x = 65,645,213.13/12,319.92
  6. Step 6: Final answer
    x = 5,328.38

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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.