Home / 34,635.15-47,796.21-18,719.46

Finding the Fourth Proportional to 34,635.15, 47,796.21 and 18,719.46

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Solution

The fourth proportional to 34,635.15, 47,796.21 and 18,719.46 is: 25,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,635.15 : 47,796.21 = 18,719.46 : x
  2. Step 2: Convert to fraction form
    34,635.15/47,796.21 = 18,719.46/x
  3. Step 3: Cross multiply
    34,635.15x = 47,796.21 × 18,719.46
  4. Step 4: Simplify right side
    34,635.15x = 894,719,241.25
  5. Step 5: Solve for x
    x = 894,719,241.25/34,635.15
  6. Step 6: Final answer
    x = 25,832.69

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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.