Home / 19,922.68-29,877.04-5,878.98

Finding the Fourth Proportional to 19,922.68, 29,877.04 and 5,878.98

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Solution

The fourth proportional to 19,922.68, 29,877.04 and 5,878.98 is: 8,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.68 : 29,877.04 = 5,878.98 : x
  2. Step 2: Convert to fraction form
    19,922.68/29,877.04 = 5,878.98/x
  3. Step 3: Cross multiply
    19,922.68x = 29,877.04 × 5,878.98
  4. Step 4: Simplify right side
    19,922.68x = 175,646,520.62
  5. Step 5: Solve for x
    x = 175,646,520.62/19,922.68
  6. Step 6: Final answer
    x = 8,816.41

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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.