Home / 16,697.28-23,027.04-11,979.84

Finding the Fourth Proportional to 16,697.28, 23,027.04 and 11,979.84

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Solution

The fourth proportional to 16,697.28, 23,027.04 and 11,979.84 is: 16,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,697.28 : 23,027.04 = 11,979.84 : x
  2. Step 2: Convert to fraction form
    16,697.28/23,027.04 = 11,979.84/x
  3. Step 3: Cross multiply
    16,697.28x = 23,027.04 × 11,979.84
  4. Step 4: Simplify right side
    16,697.28x = 275,860,254.87
  5. Step 5: Solve for x
    x = 275,860,254.87/16,697.28
  6. Step 6: Final answer
    x = 16,521.27

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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.