Home / 15,230.12-20,992.44-10,192.56

Finding the Fourth Proportional to 15,230.12, 20,992.44 and 10,192.56

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Solution

The fourth proportional to 15,230.12, 20,992.44 and 10,192.56 is: 14,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230.12 : 20,992.44 = 10,192.56 : x
  2. Step 2: Convert to fraction form
    15,230.12/20,992.44 = 10,192.56/x
  3. Step 3: Cross multiply
    15,230.12x = 20,992.44 × 10,192.56
  4. Step 4: Simplify right side
    15,230.12x = 213,966,704.25
  5. Step 5: Solve for x
    x = 213,966,704.25/15,230.12
  6. Step 6: Final answer
    x = 14,048.92

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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.