Home / 19,479.67-29,244.61-16,724.05

Finding the Fourth Proportional to 19,479.67, 29,244.61 and 16,724.05

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Solution

The fourth proportional to 19,479.67, 29,244.61 and 16,724.05 is: 25,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.67 : 29,244.61 = 16,724.05 : x
  2. Step 2: Convert to fraction form
    19,479.67/29,244.61 = 16,724.05/x
  3. Step 3: Cross multiply
    19,479.67x = 29,244.61 × 16,724.05
  4. Step 4: Simplify right side
    19,479.67x = 489,088,319.87
  5. Step 5: Solve for x
    x = 489,088,319.87/19,479.67
  6. Step 6: Final answer
    x = 25,107.63

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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.