Home / 15,493.12-23,226.62-6,721.42

Finding the Fourth Proportional to 15,493.12, 23,226.62 and 6,721.42

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Solution

The fourth proportional to 15,493.12, 23,226.62 and 6,721.42 is: 10,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,493.12 : 23,226.62 = 6,721.42 : x
  2. Step 2: Convert to fraction form
    15,493.12/23,226.62 = 6,721.42/x
  3. Step 3: Cross multiply
    15,493.12x = 23,226.62 × 6,721.42
  4. Step 4: Simplify right side
    15,493.12x = 156,115,868.20
  5. Step 5: Solve for x
    x = 156,115,868.20/15,493.12
  6. Step 6: Final answer
    x = 10,076.46

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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.