Home / 12,223.33-16,859.47-11,218.27

Finding the Fourth Proportional to 12,223.33, 16,859.47 and 11,218.27

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Solution

The fourth proportional to 12,223.33, 16,859.47 and 11,218.27 is: 15,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.33 : 16,859.47 = 11,218.27 : x
  2. Step 2: Convert to fraction form
    12,223.33/16,859.47 = 11,218.27/x
  3. Step 3: Cross multiply
    12,223.33x = 16,859.47 × 11,218.27
  4. Step 4: Simplify right side
    12,223.33x = 189,134,086.52
  5. Step 5: Solve for x
    x = 189,134,086.52/12,223.33
  6. Step 6: Final answer
    x = 15,473.20

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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.