Home / 19,963.48-29,940.10-5,920.23

Finding the Fourth Proportional to 19,963.48, 29,940.10 and 5,920.23

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Solution

The fourth proportional to 19,963.48, 29,940.10 and 5,920.23 is: 8,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.48 : 29,940.10 = 5,920.23 : x
  2. Step 2: Convert to fraction form
    19,963.48/29,940.10 = 5,920.23/x
  3. Step 3: Cross multiply
    19,963.48x = 29,940.10 × 5,920.23
  4. Step 4: Simplify right side
    19,963.48x = 177,252,278.22
  5. Step 5: Solve for x
    x = 177,252,278.22/19,963.48
  6. Step 6: Final answer
    x = 8,878.83

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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.