Home / 14,819.52-20,451.36-10,105.92

Finding the Fourth Proportional to 14,819.52, 20,451.36 and 10,105.92

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Solution

The fourth proportional to 14,819.52, 20,451.36 and 10,105.92 is: 13,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.52 : 20,451.36 = 10,105.92 : x
  2. Step 2: Convert to fraction form
    14,819.52/20,451.36 = 10,105.92/x
  3. Step 3: Cross multiply
    14,819.52x = 20,451.36 × 10,105.92
  4. Step 4: Simplify right side
    14,819.52x = 206,679,808.05
  5. Step 5: Solve for x
    x = 206,679,808.05/14,819.52
  6. Step 6: Final answer
    x = 13,946.46

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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.