Home / 14,793.08-20,414.63-8,078.79

Finding the Fourth Proportional to 14,793.08, 20,414.63 and 8,078.79

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Solution

The fourth proportional to 14,793.08, 20,414.63 and 8,078.79 is: 11,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,793.08 : 20,414.63 = 8,078.79 : x
  2. Step 2: Convert to fraction form
    14,793.08/20,414.63 = 8,078.79/x
  3. Step 3: Cross multiply
    14,793.08x = 20,414.63 × 8,078.79
  4. Step 4: Simplify right side
    14,793.08x = 164,925,468.30
  5. Step 5: Solve for x
    x = 164,925,468.30/14,793.08
  6. Step 6: Final answer
    x = 11,148.82

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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.