Home / 19,719.97-29,490.10-14,725.85

Finding the Fourth Proportional to 19,719.97, 29,490.10 and 14,725.85

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Solution

The fourth proportional to 19,719.97, 29,490.10 and 14,725.85 is: 22,021.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.97 : 29,490.10 = 14,725.85 : x
  2. Step 2: Convert to fraction form
    19,719.97/29,490.10 = 14,725.85/x
  3. Step 3: Cross multiply
    19,719.97x = 29,490.10 × 14,725.85
  4. Step 4: Simplify right side
    19,719.97x = 434,266,789.09
  5. Step 5: Solve for x
    x = 434,266,789.09/19,719.97
  6. Step 6: Final answer
    x = 22,021.68

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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.