Home / 29,278.72-43,911.50-13,468.56

Finding the Fourth Proportional to 29,278.72, 43,911.50 and 13,468.56

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Solution

The fourth proportional to 29,278.72, 43,911.50 and 13,468.56 is: 20,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.72 : 43,911.50 = 13,468.56 : x
  2. Step 2: Convert to fraction form
    29,278.72/43,911.50 = 13,468.56/x
  3. Step 3: Cross multiply
    29,278.72x = 43,911.50 × 13,468.56
  4. Step 4: Simplify right side
    29,278.72x = 591,424,687.43
  5. Step 5: Solve for x
    x = 591,424,687.43/29,278.72
  6. Step 6: Final answer
    x = 20,199.82

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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.