Home / 17,720.72-24,444.84-12,423.44

Finding the Fourth Proportional to 17,720.72, 24,444.84 and 12,423.44

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Solution

The fourth proportional to 17,720.72, 24,444.84 and 12,423.44 is: 17,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.72 : 24,444.84 = 12,423.44 : x
  2. Step 2: Convert to fraction form
    17,720.72/24,444.84 = 12,423.44/x
  3. Step 3: Cross multiply
    17,720.72x = 24,444.84 × 12,423.44
  4. Step 4: Simplify right side
    17,720.72x = 303,689,003.05
  5. Step 5: Solve for x
    x = 303,689,003.05/17,720.72
  6. Step 6: Final answer
    x = 17,137.51

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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.