Home / 20,744.57-28,604.84-14,018.54

Finding the Fourth Proportional to 20,744.57, 28,604.84 and 14,018.54

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Solution

The fourth proportional to 20,744.57, 28,604.84 and 14,018.54 is: 19,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.57 : 28,604.84 = 14,018.54 : x
  2. Step 2: Convert to fraction form
    20,744.57/28,604.84 = 14,018.54/x
  3. Step 3: Cross multiply
    20,744.57x = 28,604.84 × 14,018.54
  4. Step 4: Simplify right side
    20,744.57x = 400,997,880.62
  5. Step 5: Solve for x
    x = 400,997,880.62/20,744.57
  6. Step 6: Final answer
    x = 19,330.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.