Home / 19,715.68-29,578.20-6,568.16

Finding the Fourth Proportional to 19,715.68, 29,578.20 and 6,568.16

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Solution

The fourth proportional to 19,715.68, 29,578.20 and 6,568.16 is: 9,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.68 : 29,578.20 = 6,568.16 : x
  2. Step 2: Convert to fraction form
    19,715.68/29,578.20 = 6,568.16/x
  3. Step 3: Cross multiply
    19,715.68x = 29,578.20 × 6,568.16
  4. Step 4: Simplify right side
    19,715.68x = 194,274,350.11
  5. Step 5: Solve for x
    x = 194,274,350.11/19,715.68
  6. Step 6: Final answer
    x = 9,853.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.