Home / 19,740.97-29,623.12-7,269.74

Finding the Fourth Proportional to 19,740.97, 29,623.12 and 7,269.74

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Solution

The fourth proportional to 19,740.97, 29,623.12 and 7,269.74 is: 10,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.97 : 29,623.12 = 7,269.74 : x
  2. Step 2: Convert to fraction form
    19,740.97/29,623.12 = 7,269.74/x
  3. Step 3: Cross multiply
    19,740.97x = 29,623.12 × 7,269.74
  4. Step 4: Simplify right side
    19,740.97x = 215,352,380.39
  5. Step 5: Solve for x
    x = 215,352,380.39/19,740.97
  6. Step 6: Final answer
    x = 10,908.91

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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.