Home / 18,199.16-27,299.28-5,052.50

Finding the Fourth Proportional to 18,199.16, 27,299.28 and 5,052.50

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Solution

The fourth proportional to 18,199.16, 27,299.28 and 5,052.50 is: 7,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.16 : 27,299.28 = 5,052.50 : x
  2. Step 2: Convert to fraction form
    18,199.16/27,299.28 = 5,052.50/x
  3. Step 3: Cross multiply
    18,199.16x = 27,299.28 × 5,052.50
  4. Step 4: Simplify right side
    18,199.16x = 137,929,612.20
  5. Step 5: Solve for x
    x = 137,929,612.20/18,199.16
  6. Step 6: Final answer
    x = 7,578.90

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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.