Home / 18,607.94-25,661.36-12,223.27

Finding the Fourth Proportional to 18,607.94, 25,661.36 and 12,223.27

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Solution

The fourth proportional to 18,607.94, 25,661.36 and 12,223.27 is: 16,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.94 : 25,661.36 = 12,223.27 : x
  2. Step 2: Convert to fraction form
    18,607.94/25,661.36 = 12,223.27/x
  3. Step 3: Cross multiply
    18,607.94x = 25,661.36 × 12,223.27
  4. Step 4: Simplify right side
    18,607.94x = 313,665,731.85
  5. Step 5: Solve for x
    x = 313,665,731.85/18,607.94
  6. Step 6: Final answer
    x = 16,856.55

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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.