Home / 34,189.56-47,179.98-19,847.16

Finding the Fourth Proportional to 34,189.56, 47,179.98 and 19,847.16

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Solution

The fourth proportional to 34,189.56, 47,179.98 and 19,847.16 is: 27,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,189.56 : 47,179.98 = 19,847.16 : x
  2. Step 2: Convert to fraction form
    34,189.56/47,179.98 = 19,847.16/x
  3. Step 3: Cross multiply
    34,189.56x = 47,179.98 × 19,847.16
  4. Step 4: Simplify right side
    34,189.56x = 936,388,611.86
  5. Step 5: Solve for x
    x = 936,388,611.86/34,189.56
  6. Step 6: Final answer
    x = 27,388.14

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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.