Home / 16,945.60-25,393.42-9,438.82

Finding the Fourth Proportional to 16,945.60, 25,393.42 and 9,438.82

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Solution

The fourth proportional to 16,945.60, 25,393.42 and 9,438.82 is: 14,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.60 : 25,393.42 = 9,438.82 : x
  2. Step 2: Convert to fraction form
    16,945.60/25,393.42 = 9,438.82/x
  3. Step 3: Cross multiply
    16,945.60x = 25,393.42 × 9,438.82
  4. Step 4: Simplify right side
    16,945.60x = 239,683,920.56
  5. Step 5: Solve for x
    x = 239,683,920.56/16,945.60
  6. Step 6: Final answer
    x = 14,144.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.