Home / 23,919.24-33,008.10-13,308.78

Finding the Fourth Proportional to 23,919.24, 33,008.10 and 13,308.78

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Solution

The fourth proportional to 23,919.24, 33,008.10 and 13,308.78 is: 18,365.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,919.24 : 33,008.10 = 13,308.78 : x
  2. Step 2: Convert to fraction form
    23,919.24/33,008.10 = 13,308.78/x
  3. Step 3: Cross multiply
    23,919.24x = 33,008.10 × 13,308.78
  4. Step 4: Simplify right side
    23,919.24x = 439,297,541.12
  5. Step 5: Solve for x
    x = 439,297,541.12/23,919.24
  6. Step 6: Final answer
    x = 18,365.87

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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.