Home / 23,989.67-33,105.81-13,379.99

Finding the Fourth Proportional to 23,989.67, 33,105.81 and 13,379.99

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Solution

The fourth proportional to 23,989.67, 33,105.81 and 13,379.99 is: 18,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.67 : 33,105.81 = 13,379.99 : x
  2. Step 2: Convert to fraction form
    23,989.67/33,105.81 = 13,379.99/x
  3. Step 3: Cross multiply
    23,989.67x = 33,105.81 × 13,379.99
  4. Step 4: Simplify right side
    23,989.67x = 442,955,402.35
  5. Step 5: Solve for x
    x = 442,955,402.35/23,989.67
  6. Step 6: Final answer
    x = 18,464.42

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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.