Home / 19,338.41-26,684.62-11,781.99

Finding the Fourth Proportional to 19,338.41, 26,684.62 and 11,781.99

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Solution

The fourth proportional to 19,338.41, 26,684.62 and 11,781.99 is: 16,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.41 : 26,684.62 = 11,781.99 : x
  2. Step 2: Convert to fraction form
    19,338.41/26,684.62 = 11,781.99/x
  3. Step 3: Cross multiply
    19,338.41x = 26,684.62 × 11,781.99
  4. Step 4: Simplify right side
    19,338.41x = 314,397,962.81
  5. Step 5: Solve for x
    x = 314,397,962.81/19,338.41
  6. Step 6: Final answer
    x = 16,257.69

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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.