Home / 13,250.06-18,277.47-8,273.42

Finding the Fourth Proportional to 13,250.06, 18,277.47 and 8,273.42

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Solution

The fourth proportional to 13,250.06, 18,277.47 and 8,273.42 is: 11,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.06 : 18,277.47 = 8,273.42 : x
  2. Step 2: Convert to fraction form
    13,250.06/18,277.47 = 8,273.42/x
  3. Step 3: Cross multiply
    13,250.06x = 18,277.47 × 8,273.42
  4. Step 4: Simplify right side
    13,250.06x = 151,217,185.85
  5. Step 5: Solve for x
    x = 151,217,185.85/13,250.06
  6. Step 6: Final answer
    x = 11,412.57

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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.