Home / 19,516.11-29,270.12-6,867.56

Finding the Fourth Proportional to 19,516.11, 29,270.12 and 6,867.56

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Solution

The fourth proportional to 19,516.11, 29,270.12 and 6,867.56 is: 10,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.11 : 29,270.12 = 6,867.56 : x
  2. Step 2: Convert to fraction form
    19,516.11/29,270.12 = 6,867.56/x
  3. Step 3: Cross multiply
    19,516.11x = 29,270.12 × 6,867.56
  4. Step 4: Simplify right side
    19,516.11x = 201,014,124.62
  5. Step 5: Solve for x
    x = 201,014,124.62/19,516.11
  6. Step 6: Final answer
    x = 10,299.91

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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.