Home / 14,768.33-20,380.64-8,393.92

Finding the Fourth Proportional to 14,768.33, 20,380.64 and 8,393.92

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Solution

The fourth proportional to 14,768.33, 20,380.64 and 8,393.92 is: 11,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,768.33 : 20,380.64 = 8,393.92 : x
  2. Step 2: Convert to fraction form
    14,768.33/20,380.64 = 8,393.92/x
  3. Step 3: Cross multiply
    14,768.33x = 20,380.64 × 8,393.92
  4. Step 4: Simplify right side
    14,768.33x = 171,073,461.71
  5. Step 5: Solve for x
    x = 171,073,461.71/14,768.33
  6. Step 6: Final answer
    x = 11,583.81

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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.