Home / 14,121.82-19,480.01-8,807.41

Finding the Fourth Proportional to 14,121.82, 19,480.01 and 8,807.41

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Solution

The fourth proportional to 14,121.82, 19,480.01 and 8,807.41 is: 12,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.82 : 19,480.01 = 8,807.41 : x
  2. Step 2: Convert to fraction form
    14,121.82/19,480.01 = 8,807.41/x
  3. Step 3: Cross multiply
    14,121.82x = 19,480.01 × 8,807.41
  4. Step 4: Simplify right side
    14,121.82x = 171,568,337.47
  5. Step 5: Solve for x
    x = 171,568,337.47/14,121.82
  6. Step 6: Final answer
    x = 12,149.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.