Home / 14,910.84-20,579.94-11,367.72

Finding the Fourth Proportional to 14,910.84, 20,579.94 and 11,367.72

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Solution

The fourth proportional to 14,910.84, 20,579.94 and 11,367.72 is: 15,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.84 : 20,579.94 = 11,367.72 : x
  2. Step 2: Convert to fraction form
    14,910.84/20,579.94 = 11,367.72/x
  3. Step 3: Cross multiply
    14,910.84x = 20,579.94 × 11,367.72
  4. Step 4: Simplify right side
    14,910.84x = 233,946,995.54
  5. Step 5: Solve for x
    x = 233,946,995.54/14,910.84
  6. Step 6: Final answer
    x = 15,689.73

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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.