Home / 19,799.12-27,322.78-11,841.34

Finding the Fourth Proportional to 19,799.12, 27,322.78 and 11,841.34

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Solution

The fourth proportional to 19,799.12, 27,322.78 and 11,841.34 is: 16,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.12 : 27,322.78 = 11,841.34 : x
  2. Step 2: Convert to fraction form
    19,799.12/27,322.78 = 11,841.34/x
  3. Step 3: Cross multiply
    19,799.12x = 27,322.78 × 11,841.34
  4. Step 4: Simplify right side
    19,799.12x = 323,538,131.90
  5. Step 5: Solve for x
    x = 323,538,131.90/19,799.12
  6. Step 6: Final answer
    x = 16,341.04

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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.