Home / 19,677.14-29,516.07-7,197.16

Finding the Fourth Proportional to 19,677.14, 29,516.07 and 7,197.16

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Solution

The fourth proportional to 19,677.14, 29,516.07 and 7,197.16 is: 10,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.14 : 29,516.07 = 7,197.16 : x
  2. Step 2: Convert to fraction form
    19,677.14/29,516.07 = 7,197.16/x
  3. Step 3: Cross multiply
    19,677.14x = 29,516.07 × 7,197.16
  4. Step 4: Simplify right side
    19,677.14x = 212,431,730.78
  5. Step 5: Solve for x
    x = 212,431,730.78/19,677.14
  6. Step 6: Final answer
    x = 10,795.86

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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.