Home / 24,009.22-33,129.66-13,399.30

Finding the Fourth Proportional to 24,009.22, 33,129.66 and 13,399.30

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Solution

The fourth proportional to 24,009.22, 33,129.66 and 13,399.30 is: 18,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,009.22 : 33,129.66 = 13,399.30 : x
  2. Step 2: Convert to fraction form
    24,009.22/33,129.66 = 13,399.30/x
  3. Step 3: Cross multiply
    24,009.22x = 33,129.66 × 13,399.30
  4. Step 4: Simplify right side
    24,009.22x = 443,914,170.41
  5. Step 5: Solve for x
    x = 443,914,170.41/24,009.22
  6. Step 6: Final answer
    x = 18,489.32

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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.