Home / 19,863.43-29,902.44-18,147.32

Finding the Fourth Proportional to 19,863.43, 29,902.44 and 18,147.32

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Solution

The fourth proportional to 19,863.43, 29,902.44 and 18,147.32 is: 27,319.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.43 : 29,902.44 = 18,147.32 : x
  2. Step 2: Convert to fraction form
    19,863.43/29,902.44 = 18,147.32/x
  3. Step 3: Cross multiply
    19,863.43x = 29,902.44 × 18,147.32
  4. Step 4: Simplify right side
    19,863.43x = 542,649,043.00
  5. Step 5: Solve for x
    x = 542,649,043.00/19,863.43
  6. Step 6: Final answer
    x = 27,319.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.