Home / 22,966.83-31,691.77-12,896.38

Finding the Fourth Proportional to 22,966.83, 31,691.77 and 12,896.38

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Solution

The fourth proportional to 22,966.83, 31,691.77 and 12,896.38 is: 17,795.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,966.83 : 31,691.77 = 12,896.38 : x
  2. Step 2: Convert to fraction form
    22,966.83/31,691.77 = 12,896.38/x
  3. Step 3: Cross multiply
    22,966.83x = 31,691.77 × 12,896.38
  4. Step 4: Simplify right side
    22,966.83x = 408,709,108.79
  5. Step 5: Solve for x
    x = 408,709,108.79/22,966.83
  6. Step 6: Final answer
    x = 17,795.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.