Home / 19,824.78-27,342.45-16,850.46

Finding the Fourth Proportional to 19,824.78, 27,342.45 and 16,850.46

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Solution

The fourth proportional to 19,824.78, 27,342.45 and 16,850.46 is: 23,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.78 : 27,342.45 = 16,850.46 : x
  2. Step 2: Convert to fraction form
    19,824.78/27,342.45 = 16,850.46/x
  3. Step 3: Cross multiply
    19,824.78x = 27,342.45 × 16,850.46
  4. Step 4: Simplify right side
    19,824.78x = 460,732,860.03
  5. Step 5: Solve for x
    x = 460,732,860.03/19,824.78
  6. Step 6: Final answer
    x = 23,240.25

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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.