Home / 23,919.78-33,009.54-13,165.86

Finding the Fourth Proportional to 23,919.78, 33,009.54 and 13,165.86

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Solution

The fourth proportional to 23,919.78, 33,009.54 and 13,165.86 is: 18,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,919.78 : 33,009.54 = 13,165.86 : x
  2. Step 2: Convert to fraction form
    23,919.78/33,009.54 = 13,165.86/x
  3. Step 3: Cross multiply
    23,919.78x = 33,009.54 × 13,165.86
  4. Step 4: Simplify right side
    23,919.78x = 434,598,982.30
  5. Step 5: Solve for x
    x = 434,598,982.30/23,919.78
  6. Step 6: Final answer
    x = 18,169.02

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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.