Home / 12,326.42-18,480.41-4,001.47

Finding the Fourth Proportional to 12,326.42, 18,480.41 and 4,001.47

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Solution

The fourth proportional to 12,326.42, 18,480.41 and 4,001.47 is: 5,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.42 : 18,480.41 = 4,001.47 : x
  2. Step 2: Convert to fraction form
    12,326.42/18,480.41 = 4,001.47/x
  3. Step 3: Cross multiply
    12,326.42x = 18,480.41 × 4,001.47
  4. Step 4: Simplify right side
    12,326.42x = 73,948,786.20
  5. Step 5: Solve for x
    x = 73,948,786.20/12,326.42
  6. Step 6: Final answer
    x = 5,999.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.