Home / 17,133.72-25,667.16-11,272.56

Finding the Fourth Proportional to 17,133.72, 25,667.16 and 11,272.56

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Solution

The fourth proportional to 17,133.72, 25,667.16 and 11,272.56 is: 16,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133.72 : 25,667.16 = 11,272.56 : x
  2. Step 2: Convert to fraction form
    17,133.72/25,667.16 = 11,272.56/x
  3. Step 3: Cross multiply
    17,133.72x = 25,667.16 × 11,272.56
  4. Step 4: Simplify right side
    17,133.72x = 289,334,601.13
  5. Step 5: Solve for x
    x = 289,334,601.13/17,133.72
  6. Step 6: Final answer
    x = 16,886.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.