Home / 16,934.78-23,369.38-9,381.44

Finding the Fourth Proportional to 16,934.78, 23,369.38 and 9,381.44

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Solution

The fourth proportional to 16,934.78, 23,369.38 and 9,381.44 is: 12,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,934.78 : 23,369.38 = 9,381.44 : x
  2. Step 2: Convert to fraction form
    16,934.78/23,369.38 = 9,381.44/x
  3. Step 3: Cross multiply
    16,934.78x = 23,369.38 × 9,381.44
  4. Step 4: Simplify right side
    16,934.78x = 219,238,471.28
  5. Step 5: Solve for x
    x = 219,238,471.28/16,934.78
  6. Step 6: Final answer
    x = 12,946.05

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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.