Home / 19,914.24-29,871.36-18,601.92

Finding the Fourth Proportional to 19,914.24, 29,871.36 and 18,601.92

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Solution

The fourth proportional to 19,914.24, 29,871.36 and 18,601.92 is: 27,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.24 : 29,871.36 = 18,601.92 : x
  2. Step 2: Convert to fraction form
    19,914.24/29,871.36 = 18,601.92/x
  3. Step 3: Cross multiply
    19,914.24x = 29,871.36 × 18,601.92
  4. Step 4: Simplify right side
    19,914.24x = 555,664,649.01
  5. Step 5: Solve for x
    x = 555,664,649.01/19,914.24
  6. Step 6: Final answer
    x = 27,902.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.