Home / 18,199.74-27,299.61-5,052.12

Finding the Fourth Proportional to 18,199.74, 27,299.61 and 5,052.12

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Solution

The fourth proportional to 18,199.74, 27,299.61 and 5,052.12 is: 7,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.74 : 27,299.61 = 5,052.12 : x
  2. Step 2: Convert to fraction form
    18,199.74/27,299.61 = 5,052.12/x
  3. Step 3: Cross multiply
    18,199.74x = 27,299.61 × 5,052.12
  4. Step 4: Simplify right side
    18,199.74x = 137,920,905.67
  5. Step 5: Solve for x
    x = 137,920,905.67/18,199.74
  6. Step 6: Final answer
    x = 7,578.18

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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.