Home / 29,643.12-40,908.60-16,213.56

Finding the Fourth Proportional to 29,643.12, 40,908.60 and 16,213.56

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Solution

The fourth proportional to 29,643.12, 40,908.60 and 16,213.56 is: 22,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,643.12 : 40,908.60 = 16,213.56 : x
  2. Step 2: Convert to fraction form
    29,643.12/40,908.60 = 16,213.56/x
  3. Step 3: Cross multiply
    29,643.12x = 40,908.60 × 16,213.56
  4. Step 4: Simplify right side
    29,643.12x = 663,274,040.62
  5. Step 5: Solve for x
    x = 663,274,040.62/29,643.12
  6. Step 6: Final answer
    x = 22,375.31

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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.