Home / 19,522.82-26,940.43-11,455.39

Finding the Fourth Proportional to 19,522.82, 26,940.43 and 11,455.39

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Solution

The fourth proportional to 19,522.82, 26,940.43 and 11,455.39 is: 15,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,522.82 : 26,940.43 = 11,455.39 : x
  2. Step 2: Convert to fraction form
    19,522.82/26,940.43 = 11,455.39/x
  3. Step 3: Cross multiply
    19,522.82x = 26,940.43 × 11,455.39
  4. Step 4: Simplify right side
    19,522.82x = 308,613,180.41
  5. Step 5: Solve for x
    x = 308,613,180.41/19,522.82
  6. Step 6: Final answer
    x = 15,807.82

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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.