Home / 19,674.78-29,504.34-7,191.96

Finding the Fourth Proportional to 19,674.78, 29,504.34 and 7,191.96

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Solution

The fourth proportional to 19,674.78, 29,504.34 and 7,191.96 is: 10,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.78 : 29,504.34 = 7,191.96 : x
  2. Step 2: Convert to fraction form
    19,674.78/29,504.34 = 7,191.96/x
  3. Step 3: Cross multiply
    19,674.78x = 29,504.34 × 7,191.96
  4. Step 4: Simplify right side
    19,674.78x = 212,194,033.11
  5. Step 5: Solve for x
    x = 212,194,033.11/19,674.78
  6. Step 6: Final answer
    x = 10,785.08

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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.