Home / 19,470.60-29,178.30-15,067.56

Finding the Fourth Proportional to 19,470.60, 29,178.30 and 15,067.56

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Solution

The fourth proportional to 19,470.60, 29,178.30 and 15,067.56 is: 22,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.60 : 29,178.30 = 15,067.56 : x
  2. Step 2: Convert to fraction form
    19,470.60/29,178.30 = 15,067.56/x
  3. Step 3: Cross multiply
    19,470.60x = 29,178.30 × 15,067.56
  4. Step 4: Simplify right side
    19,470.60x = 439,645,785.95
  5. Step 5: Solve for x
    x = 439,645,785.95/19,470.60
  6. Step 6: Final answer
    x = 22,579.98

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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.