Home / 14,800.27-20,424.37-8,426.54

Finding the Fourth Proportional to 14,800.27, 20,424.37 and 8,426.54

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Solution

The fourth proportional to 14,800.27, 20,424.37 and 8,426.54 is: 11,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,800.27 : 20,424.37 = 8,426.54 : x
  2. Step 2: Convert to fraction form
    14,800.27/20,424.37 = 8,426.54/x
  3. Step 3: Cross multiply
    14,800.27x = 20,424.37 × 8,426.54
  4. Step 4: Simplify right side
    14,800.27x = 172,106,626.53
  5. Step 5: Solve for x
    x = 172,106,626.53/14,800.27
  6. Step 6: Final answer
    x = 11,628.61

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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.