Home / 16,015.26-22,123.47-15,174.54

Finding the Fourth Proportional to 16,015.26, 22,123.47 and 15,174.54

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Solution

The fourth proportional to 16,015.26, 22,123.47 and 15,174.54 is: 20,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,015.26 : 22,123.47 = 15,174.54 : x
  2. Step 2: Convert to fraction form
    16,015.26/22,123.47 = 15,174.54/x
  3. Step 3: Cross multiply
    16,015.26x = 22,123.47 × 15,174.54
  4. Step 4: Simplify right side
    16,015.26x = 335,713,480.45
  5. Step 5: Solve for x
    x = 335,713,480.45/16,015.26
  6. Step 6: Final answer
    x = 20,962.10

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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.