Home / 17,872.80-24,650.16-11,145.60

Finding the Fourth Proportional to 17,872.80, 24,650.16 and 11,145.60

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Solution

The fourth proportional to 17,872.80, 24,650.16 and 11,145.60 is: 15,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.80 : 24,650.16 = 11,145.60 : x
  2. Step 2: Convert to fraction form
    17,872.80/24,650.16 = 11,145.60/x
  3. Step 3: Cross multiply
    17,872.80x = 24,650.16 × 11,145.60
  4. Step 4: Simplify right side
    17,872.80x = 274,740,823.30
  5. Step 5: Solve for x
    x = 274,740,823.30/17,872.80
  6. Step 6: Final answer
    x = 15,372.01

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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.