Home / 19,667.73-27,142.14-10,716.08

Finding the Fourth Proportional to 19,667.73, 27,142.14 and 10,716.08

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Solution

The fourth proportional to 19,667.73, 27,142.14 and 10,716.08 is: 14,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,667.73 : 27,142.14 = 10,716.08 : x
  2. Step 2: Convert to fraction form
    19,667.73/27,142.14 = 10,716.08/x
  3. Step 3: Cross multiply
    19,667.73x = 27,142.14 × 10,716.08
  4. Step 4: Simplify right side
    19,667.73x = 290,857,207.90
  5. Step 5: Solve for x
    x = 290,857,207.90/19,667.73
  6. Step 6: Final answer
    x = 14,788.55

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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.