Home / 19,672.11-29,513.22-6,528.15

Finding the Fourth Proportional to 19,672.11, 29,513.22 and 6,528.15

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Solution

The fourth proportional to 19,672.11, 29,513.22 and 6,528.15 is: 9,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.11 : 29,513.22 = 6,528.15 : x
  2. Step 2: Convert to fraction form
    19,672.11/29,513.22 = 6,528.15/x
  3. Step 3: Cross multiply
    19,672.11x = 29,513.22 × 6,528.15
  4. Step 4: Simplify right side
    19,672.11x = 192,666,727.14
  5. Step 5: Solve for x
    x = 192,666,727.14/19,672.11
  6. Step 6: Final answer
    x = 9,793.90

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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.