Home / 16,780.10-25,170.70-5,093.42

Finding the Fourth Proportional to 16,780.10, 25,170.70 and 5,093.42

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Solution

The fourth proportional to 16,780.10, 25,170.70 and 5,093.42 is: 7,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.10 : 25,170.70 = 5,093.42 : x
  2. Step 2: Convert to fraction form
    16,780.10/25,170.70 = 5,093.42/x
  3. Step 3: Cross multiply
    16,780.10x = 25,170.70 × 5,093.42
  4. Step 4: Simplify right side
    16,780.10x = 128,204,946.79
  5. Step 5: Solve for x
    x = 128,204,946.79/16,780.10
  6. Step 6: Final answer
    x = 7,640.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.