Home / 23,999.42-33,121.50-13,390.04

Finding the Fourth Proportional to 23,999.42, 33,121.50 and 13,390.04

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Solution

The fourth proportional to 23,999.42, 33,121.50 and 13,390.04 is: 18,479.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.42 : 33,121.50 = 13,390.04 : x
  2. Step 2: Convert to fraction form
    23,999.42/33,121.50 = 13,390.04/x
  3. Step 3: Cross multiply
    23,999.42x = 33,121.50 × 13,390.04
  4. Step 4: Simplify right side
    23,999.42x = 443,498,209.86
  5. Step 5: Solve for x
    x = 443,498,209.86/23,999.42
  6. Step 6: Final answer
    x = 18,479.54

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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.