Home / 19,116.60-28,617.30-16,812.60

Finding the Fourth Proportional to 19,116.60, 28,617.30 and 16,812.60

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Solution

The fourth proportional to 19,116.60, 28,617.30 and 16,812.60 is: 25,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.60 : 28,617.30 = 16,812.60 : x
  2. Step 2: Convert to fraction form
    19,116.60/28,617.30 = 16,812.60/x
  3. Step 3: Cross multiply
    19,116.60x = 28,617.30 × 16,812.60
  4. Step 4: Simplify right side
    19,116.60x = 481,131,217.98
  5. Step 5: Solve for x
    x = 481,131,217.98/19,116.60
  6. Step 6: Final answer
    x = 25,168.24

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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.