Home / 16,951.04-23,378.62-11,931.92

Finding the Fourth Proportional to 16,951.04, 23,378.62 and 11,931.92

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Solution

The fourth proportional to 16,951.04, 23,378.62 and 11,931.92 is: 16,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,951.04 : 23,378.62 = 11,931.92 : x
  2. Step 2: Convert to fraction form
    16,951.04/23,378.62 = 11,931.92/x
  3. Step 3: Cross multiply
    16,951.04x = 23,378.62 × 11,931.92
  4. Step 4: Simplify right side
    16,951.04x = 278,951,823.55
  5. Step 5: Solve for x
    x = 278,951,823.55/16,951.04
  6. Step 6: Final answer
    x = 16,456.33

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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.