Home / 19,871.97-29,780.23-14,935.83

Finding the Fourth Proportional to 19,871.97, 29,780.23 and 14,935.83

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Solution

The fourth proportional to 19,871.97, 29,780.23 and 14,935.83 is: 22,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871.97 : 29,780.23 = 14,935.83 : x
  2. Step 2: Convert to fraction form
    19,871.97/29,780.23 = 14,935.83/x
  3. Step 3: Cross multiply
    19,871.97x = 29,780.23 × 14,935.83
  4. Step 4: Simplify right side
    19,871.97x = 444,792,452.64
  5. Step 5: Solve for x
    x = 444,792,452.64/19,871.97
  6. Step 6: Final answer
    x = 22,382.91

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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.