Home / 19,815.48-29,719.06-5,961.40

Finding the Fourth Proportional to 19,815.48, 29,719.06 and 5,961.40

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Solution

The fourth proportional to 19,815.48, 29,719.06 and 5,961.40 is: 8,940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.48 : 29,719.06 = 5,961.40 : x
  2. Step 2: Convert to fraction form
    19,815.48/29,719.06 = 5,961.40/x
  3. Step 3: Cross multiply
    19,815.48x = 29,719.06 × 5,961.40
  4. Step 4: Simplify right side
    19,815.48x = 177,167,204.28
  5. Step 5: Solve for x
    x = 177,167,204.28/19,815.48
  6. Step 6: Final answer
    x = 8,940.85

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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.