Home / 18,152.42-27,176.70-12,298.64

Finding the Fourth Proportional to 18,152.42, 27,176.70 and 12,298.64

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Solution

The fourth proportional to 18,152.42, 27,176.70 and 12,298.64 is: 18,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.42 : 27,176.70 = 12,298.64 : x
  2. Step 2: Convert to fraction form
    18,152.42/27,176.70 = 12,298.64/x
  3. Step 3: Cross multiply
    18,152.42x = 27,176.70 × 12,298.64
  4. Step 4: Simplify right side
    18,152.42x = 334,236,449.69
  5. Step 5: Solve for x
    x = 334,236,449.69/18,152.42
  6. Step 6: Final answer
    x = 18,412.78

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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.