Home / 19,889.16-29,832.14-8,796.20

Finding the Fourth Proportional to 19,889.16, 29,832.14 and 8,796.20

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Solution

The fourth proportional to 19,889.16, 29,832.14 and 8,796.20 is: 13,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.16 : 29,832.14 = 8,796.20 : x
  2. Step 2: Convert to fraction form
    19,889.16/29,832.14 = 8,796.20/x
  3. Step 3: Cross multiply
    19,889.16x = 29,832.14 × 8,796.20
  4. Step 4: Simplify right side
    19,889.16x = 262,409,469.87
  5. Step 5: Solve for x
    x = 262,409,469.87/19,889.16
  6. Step 6: Final answer
    x = 13,193.59

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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.