Home / 22,963.14-31,690.85-12,893.76

Finding the Fourth Proportional to 22,963.14, 31,690.85 and 12,893.76

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Solution

The fourth proportional to 22,963.14, 31,690.85 and 12,893.76 is: 17,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,963.14 : 31,690.85 = 12,893.76 : x
  2. Step 2: Convert to fraction form
    22,963.14/31,690.85 = 12,893.76/x
  3. Step 3: Cross multiply
    22,963.14x = 31,690.85 × 12,893.76
  4. Step 4: Simplify right side
    22,963.14x = 408,614,149.63
  5. Step 5: Solve for x
    x = 408,614,149.63/22,963.14
  6. Step 6: Final answer
    x = 17,794.35

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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.