Home / 16,349.72-22,585.38-15,742.82

Finding the Fourth Proportional to 16,349.72, 22,585.38 and 15,742.82

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Solution

The fourth proportional to 16,349.72, 22,585.38 and 15,742.82 is: 21,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,349.72 : 22,585.38 = 15,742.82 : x
  2. Step 2: Convert to fraction form
    16,349.72/22,585.38 = 15,742.82/x
  3. Step 3: Cross multiply
    16,349.72x = 22,585.38 × 15,742.82
  4. Step 4: Simplify right side
    16,349.72x = 355,557,571.97
  5. Step 5: Solve for x
    x = 355,557,571.97/16,349.72
  6. Step 6: Final answer
    x = 21,747.01

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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.