Home / 15,439.82-23,166.47-6,680.48

Finding the Fourth Proportional to 15,439.82, 23,166.47 and 6,680.48

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Solution

The fourth proportional to 15,439.82, 23,166.47 and 6,680.48 is: 10,023.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.82 : 23,166.47 = 6,680.48 : x
  2. Step 2: Convert to fraction form
    15,439.82/23,166.47 = 6,680.48/x
  3. Step 3: Cross multiply
    15,439.82x = 23,166.47 × 6,680.48
  4. Step 4: Simplify right side
    15,439.82x = 154,763,040.37
  5. Step 5: Solve for x
    x = 154,763,040.37/15,439.82
  6. Step 6: Final answer
    x = 10,023.63

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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.