Home / 16,956.75-23,400.60-9,403.40

Finding the Fourth Proportional to 16,956.75, 23,400.60 and 9,403.40

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Solution

The fourth proportional to 16,956.75, 23,400.60 and 9,403.40 is: 12,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956.75 : 23,400.60 = 9,403.40 : x
  2. Step 2: Convert to fraction form
    16,956.75/23,400.60 = 9,403.40/x
  3. Step 3: Cross multiply
    16,956.75x = 23,400.60 × 9,403.40
  4. Step 4: Simplify right side
    16,956.75x = 220,045,260.54
  5. Step 5: Solve for x
    x = 220,045,260.54/16,956.75
  6. Step 6: Final answer
    x = 12,976.85

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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.