Home / 14,819.28-22,218.46-7,418.44

Finding the Fourth Proportional to 14,819.28, 22,218.46 and 7,418.44

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Solution

The fourth proportional to 14,819.28, 22,218.46 and 7,418.44 is: 11,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.28 : 22,218.46 = 7,418.44 : x
  2. Step 2: Convert to fraction form
    14,819.28/22,218.46 = 7,418.44/x
  3. Step 3: Cross multiply
    14,819.28x = 22,218.46 × 7,418.44
  4. Step 4: Simplify right side
    14,819.28x = 164,826,312.40
  5. Step 5: Solve for x
    x = 164,826,312.40/14,819.28
  6. Step 6: Final answer
    x = 11,122.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.