Home / 16,225.92-22,402.88-12,255.36

Finding the Fourth Proportional to 16,225.92, 22,402.88 and 12,255.36

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Solution

The fourth proportional to 16,225.92, 22,402.88 and 12,255.36 is: 16,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,225.92 : 22,402.88 = 12,255.36 : x
  2. Step 2: Convert to fraction form
    16,225.92/22,402.88 = 12,255.36/x
  3. Step 3: Cross multiply
    16,225.92x = 22,402.88 × 12,255.36
  4. Step 4: Simplify right side
    16,225.92x = 274,555,359.44
  5. Step 5: Solve for x
    x = 274,555,359.44/16,225.92
  6. Step 6: Final answer
    x = 16,920.79

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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.