Home / 16,910.01-23,342.36-15,138.54

Finding the Fourth Proportional to 16,910.01, 23,342.36 and 15,138.54

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Solution

The fourth proportional to 16,910.01, 23,342.36 and 15,138.54 is: 20,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910.01 : 23,342.36 = 15,138.54 : x
  2. Step 2: Convert to fraction form
    16,910.01/23,342.36 = 15,138.54/x
  3. Step 3: Cross multiply
    16,910.01x = 23,342.36 × 15,138.54
  4. Step 4: Simplify right side
    16,910.01x = 353,369,174.86
  5. Step 5: Solve for x
    x = 353,369,174.86/16,910.01
  6. Step 6: Final answer
    x = 20,897.04

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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.