Home / 18,323.06-25,284.47-11,249.55

Finding the Fourth Proportional to 18,323.06, 25,284.47 and 11,249.55

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Solution

The fourth proportional to 18,323.06, 25,284.47 and 11,249.55 is: 15,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.06 : 25,284.47 = 11,249.55 : x
  2. Step 2: Convert to fraction form
    18,323.06/25,284.47 = 11,249.55/x
  3. Step 3: Cross multiply
    18,323.06x = 25,284.47 × 11,249.55
  4. Step 4: Simplify right side
    18,323.06x = 284,438,853.24
  5. Step 5: Solve for x
    x = 284,438,853.24/18,323.06
  6. Step 6: Final answer
    x = 15,523.55

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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.