Home / 12,224.72-16,885.32-12,040.40

Finding the Fourth Proportional to 12,224.72, 16,885.32 and 12,040.40

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Solution

The fourth proportional to 12,224.72, 16,885.32 and 12,040.40 is: 16,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.72 : 16,885.32 = 12,040.40 : x
  2. Step 2: Convert to fraction form
    12,224.72/16,885.32 = 12,040.40/x
  3. Step 3: Cross multiply
    12,224.72x = 16,885.32 × 12,040.40
  4. Step 4: Simplify right side
    12,224.72x = 203,306,006.93
  5. Step 5: Solve for x
    x = 203,306,006.93/12,224.72
  6. Step 6: Final answer
    x = 16,630.73

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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.