Home / 18,667.11-25,759.83-10,169.07

Finding the Fourth Proportional to 18,667.11, 25,759.83 and 10,169.07

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Solution

The fourth proportional to 18,667.11, 25,759.83 and 10,169.07 is: 14,032.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.11 : 25,759.83 = 10,169.07 : x
  2. Step 2: Convert to fraction form
    18,667.11/25,759.83 = 10,169.07/x
  3. Step 3: Cross multiply
    18,667.11x = 25,759.83 × 10,169.07
  4. Step 4: Simplify right side
    18,667.11x = 261,953,514.46
  5. Step 5: Solve for x
    x = 261,953,514.46/18,667.11
  6. Step 6: Final answer
    x = 14,032.89

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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.