Home / 12,159.68-18,241.32-4,366.68

Finding the Fourth Proportional to 12,159.68, 18,241.32 and 4,366.68

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Solution

The fourth proportional to 12,159.68, 18,241.32 and 4,366.68 is: 6,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159.68 : 18,241.32 = 4,366.68 : x
  2. Step 2: Convert to fraction form
    12,159.68/18,241.32 = 4,366.68/x
  3. Step 3: Cross multiply
    12,159.68x = 18,241.32 × 4,366.68
  4. Step 4: Simplify right side
    12,159.68x = 79,654,007.22
  5. Step 5: Solve for x
    x = 79,654,007.22/12,159.68
  6. Step 6: Final answer
    x = 6,550.67

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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.