Home / 23,999.43-33,119.28-13,389.75

Finding the Fourth Proportional to 23,999.43, 33,119.28 and 13,389.75

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Solution

The fourth proportional to 23,999.43, 33,119.28 and 13,389.75 is: 18,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.43 : 33,119.28 = 13,389.75 : x
  2. Step 2: Convert to fraction form
    23,999.43/33,119.28 = 13,389.75/x
  3. Step 3: Cross multiply
    23,999.43x = 33,119.28 × 13,389.75
  4. Step 4: Simplify right side
    23,999.43x = 443,458,879.38
  5. Step 5: Solve for x
    x = 443,458,879.38/23,999.43
  6. Step 6: Final answer
    x = 18,477.89

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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.