Home / 19,728.16-29,611.92-16,073.44

Finding the Fourth Proportional to 19,728.16, 29,611.92 and 16,073.44

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Solution

The fourth proportional to 19,728.16, 29,611.92 and 16,073.44 is: 24,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.16 : 29,611.92 = 16,073.44 : x
  2. Step 2: Convert to fraction form
    19,728.16/29,611.92 = 16,073.44/x
  3. Step 3: Cross multiply
    19,728.16x = 29,611.92 × 16,073.44
  4. Step 4: Simplify right side
    19,728.16x = 475,965,419.40
  5. Step 5: Solve for x
    x = 475,965,419.40/19,728.16
  6. Step 6: Final answer
    x = 24,126.19

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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.