Home / 16,956.60-23,400.39-9,403.25

Finding the Fourth Proportional to 16,956.60, 23,400.39 and 9,403.25

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Solution

The fourth proportional to 16,956.60, 23,400.39 and 9,403.25 is: 12,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956.60 : 23,400.39 = 9,403.25 : x
  2. Step 2: Convert to fraction form
    16,956.60/23,400.39 = 9,403.25/x
  3. Step 3: Cross multiply
    16,956.60x = 23,400.39 × 9,403.25
  4. Step 4: Simplify right side
    16,956.60x = 220,039,553.25
  5. Step 5: Solve for x
    x = 220,039,553.25/16,956.60
  6. Step 6: Final answer
    x = 12,976.63

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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.