Home / 19,833.09-29,731.39-8,581.38

Finding the Fourth Proportional to 19,833.09, 29,731.39 and 8,581.38

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Solution

The fourth proportional to 19,833.09, 29,731.39 and 8,581.38 is: 12,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.09 : 29,731.39 = 8,581.38 : x
  2. Step 2: Convert to fraction form
    19,833.09/29,731.39 = 8,581.38/x
  3. Step 3: Cross multiply
    19,833.09x = 29,731.39 × 8,581.38
  4. Step 4: Simplify right side
    19,833.09x = 255,136,222.57
  5. Step 5: Solve for x
    x = 255,136,222.57/19,833.09
  6. Step 6: Final answer
    x = 12,864.17

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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.