Home / 19,106.20-28,659.30-14,440.60

Finding the Fourth Proportional to 19,106.20, 28,659.30 and 14,440.60

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Solution

The fourth proportional to 19,106.20, 28,659.30 and 14,440.60 is: 21,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.20 : 28,659.30 = 14,440.60 : x
  2. Step 2: Convert to fraction form
    19,106.20/28,659.30 = 14,440.60/x
  3. Step 3: Cross multiply
    19,106.20x = 28,659.30 × 14,440.60
  4. Step 4: Simplify right side
    19,106.20x = 413,857,487.58
  5. Step 5: Solve for x
    x = 413,857,487.58/19,106.20
  6. Step 6: Final answer
    x = 21,660.90

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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.