Home / 20,160.40-27,797.16-16,808.08

Finding the Fourth Proportional to 20,160.40, 27,797.16 and 16,808.08

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Solution

The fourth proportional to 20,160.40, 27,797.16 and 16,808.08 is: 23,174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.40 : 27,797.16 = 16,808.08 : x
  2. Step 2: Convert to fraction form
    20,160.40/27,797.16 = 16,808.08/x
  3. Step 3: Cross multiply
    20,160.40x = 27,797.16 × 16,808.08
  4. Step 4: Simplify right side
    20,160.40x = 467,216,889.05
  5. Step 5: Solve for x
    x = 467,216,889.05/20,160.40
  6. Step 6: Final answer
    x = 23,174.98

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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.