Home / 19,172.70-28,622.16-16,219.44

Finding the Fourth Proportional to 19,172.70, 28,622.16 and 16,219.44

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Solution

The fourth proportional to 19,172.70, 28,622.16 and 16,219.44 is: 24,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.70 : 28,622.16 = 16,219.44 : x
  2. Step 2: Convert to fraction form
    19,172.70/28,622.16 = 16,219.44/x
  3. Step 3: Cross multiply
    19,172.70x = 28,622.16 × 16,219.44
  4. Step 4: Simplify right side
    19,172.70x = 464,235,406.79
  5. Step 5: Solve for x
    x = 464,235,406.79/19,172.70
  6. Step 6: Final answer
    x = 24,213.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.