Home / 15,972.45-22,040.96-9,600.09

Finding the Fourth Proportional to 15,972.45, 22,040.96 and 9,600.09

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Solution

The fourth proportional to 15,972.45, 22,040.96 and 9,600.09 is: 13,247.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.45 : 22,040.96 = 9,600.09 : x
  2. Step 2: Convert to fraction form
    15,972.45/22,040.96 = 9,600.09/x
  3. Step 3: Cross multiply
    15,972.45x = 22,040.96 × 9,600.09
  4. Step 4: Simplify right side
    15,972.45x = 211,595,151.69
  5. Step 5: Solve for x
    x = 211,595,151.69/15,972.45
  6. Step 6: Final answer
    x = 13,247.51

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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.