Home / 20,604.24-28,408.80-17,411.76

Finding the Fourth Proportional to 20,604.24, 28,408.80 and 17,411.76

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Solution

The fourth proportional to 20,604.24, 28,408.80 and 17,411.76 is: 24,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604.24 : 28,408.80 = 17,411.76 : x
  2. Step 2: Convert to fraction form
    20,604.24/28,408.80 = 17,411.76/x
  3. Step 3: Cross multiply
    20,604.24x = 28,408.80 × 17,411.76
  4. Step 4: Simplify right side
    20,604.24x = 494,647,207.49
  5. Step 5: Solve for x
    x = 494,647,207.49/20,604.24
  6. Step 6: Final answer
    x = 24,007.06

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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.