Home / 19,808.19-27,335.61-11,850.75

Finding the Fourth Proportional to 19,808.19, 27,335.61 and 11,850.75

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Solution

The fourth proportional to 19,808.19, 27,335.61 and 11,850.75 is: 16,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.19 : 27,335.61 = 11,850.75 : x
  2. Step 2: Convert to fraction form
    19,808.19/27,335.61 = 11,850.75/x
  3. Step 3: Cross multiply
    19,808.19x = 27,335.61 × 11,850.75
  4. Step 4: Simplify right side
    19,808.19x = 323,947,480.21
  5. Step 5: Solve for x
    x = 323,947,480.21/19,808.19
  6. Step 6: Final answer
    x = 16,354.22

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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.