Home / 15,760.06-23,621.29-10,990.44

Finding the Fourth Proportional to 15,760.06, 23,621.29 and 10,990.44

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Solution

The fourth proportional to 15,760.06, 23,621.29 and 10,990.44 is: 16,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,760.06 : 23,621.29 = 10,990.44 : x
  2. Step 2: Convert to fraction form
    15,760.06/23,621.29 = 10,990.44/x
  3. Step 3: Cross multiply
    15,760.06x = 23,621.29 × 10,990.44
  4. Step 4: Simplify right side
    15,760.06x = 259,608,342.99
  5. Step 5: Solve for x
    x = 259,608,342.99/15,760.06
  6. Step 6: Final answer
    x = 16,472.55

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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.