Home / 14,578.38-21,846.85-6,661.44

Finding the Fourth Proportional to 14,578.38, 21,846.85 and 6,661.44

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Solution

The fourth proportional to 14,578.38, 21,846.85 and 6,661.44 is: 9,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.38 : 21,846.85 = 6,661.44 : x
  2. Step 2: Convert to fraction form
    14,578.38/21,846.85 = 6,661.44/x
  3. Step 3: Cross multiply
    14,578.38x = 21,846.85 × 6,661.44
  4. Step 4: Simplify right side
    14,578.38x = 145,531,463.81
  5. Step 5: Solve for x
    x = 145,531,463.81/14,578.38
  6. Step 6: Final answer
    x = 9,982.69

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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.