Home / 20,015.35-27,600.40-17,192

Finding the Fourth Proportional to 20,015.35, 27,600.40 and 17,192

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Solution

The fourth proportional to 20,015.35, 27,600.40 and 17,192 is: 23,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.35 : 27,600.40 = 17,192 : x
  2. Step 2: Convert to fraction form
    20,015.35/27,600.40 = 17,192/x
  3. Step 3: Cross multiply
    20,015.35x = 27,600.40 × 17,192
  4. Step 4: Simplify right side
    20,015.35x = 474,506,076.80
  5. Step 5: Solve for x
    x = 474,506,076.80/20,015.35
  6. Step 6: Final answer
    x = 23,707.11

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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.