Home / 16,974.24-23,424.42-9,420.66

Finding the Fourth Proportional to 16,974.24, 23,424.42 and 9,420.66

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Solution

The fourth proportional to 16,974.24, 23,424.42 and 9,420.66 is: 13,000.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.24 : 23,424.42 = 9,420.66 : x
  2. Step 2: Convert to fraction form
    16,974.24/23,424.42 = 9,420.66/x
  3. Step 3: Cross multiply
    16,974.24x = 23,424.42 × 9,420.66
  4. Step 4: Simplify right side
    16,974.24x = 220,673,584.36
  5. Step 5: Solve for x
    x = 220,673,584.36/16,974.24
  6. Step 6: Final answer
    x = 13,000.50

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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.