Home / 19,899.04-27,450-11,936.08

Finding the Fourth Proportional to 19,899.04, 27,450 and 11,936.08

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Solution

The fourth proportional to 19,899.04, 27,450 and 11,936.08 is: 16,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.04 : 27,450 = 11,936.08 : x
  2. Step 2: Convert to fraction form
    19,899.04/27,450 = 11,936.08/x
  3. Step 3: Cross multiply
    19,899.04x = 27,450 × 11,936.08
  4. Step 4: Simplify right side
    19,899.04x = 327,645,396
  5. Step 5: Solve for x
    x = 327,645,396/19,899.04
  6. Step 6: Final answer
    x = 16,465.39

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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.