Home / 23,989.19-33,105.75-13,379.49

Finding the Fourth Proportional to 23,989.19, 33,105.75 and 13,379.49

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Solution

The fourth proportional to 23,989.19, 33,105.75 and 13,379.49 is: 18,464.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.19 : 33,105.75 = 13,379.49 : x
  2. Step 2: Convert to fraction form
    23,989.19/33,105.75 = 13,379.49/x
  3. Step 3: Cross multiply
    23,989.19x = 33,105.75 × 13,379.49
  4. Step 4: Simplify right side
    23,989.19x = 442,938,051.07
  5. Step 5: Solve for x
    x = 442,938,051.07/23,989.19
  6. Step 6: Final answer
    x = 18,464.07

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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.