Home / 16,951.08-23,393.88-9,399.78

Finding the Fourth Proportional to 16,951.08, 23,393.88 and 9,399.78

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Solution

The fourth proportional to 16,951.08, 23,393.88 and 9,399.78 is: 12,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,951.08 : 23,393.88 = 9,399.78 : x
  2. Step 2: Convert to fraction form
    16,951.08/23,393.88 = 9,399.78/x
  3. Step 3: Cross multiply
    16,951.08x = 23,393.88 × 9,399.78
  4. Step 4: Simplify right side
    16,951.08x = 219,897,325.35
  5. Step 5: Solve for x
    x = 219,897,325.35/16,951.08
  6. Step 6: Final answer
    x = 12,972.47

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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.