Home / 20,057.03-27,679.02-10,982.24

Finding the Fourth Proportional to 20,057.03, 27,679.02 and 10,982.24

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Solution

The fourth proportional to 20,057.03, 27,679.02 and 10,982.24 is: 15,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.03 : 27,679.02 = 10,982.24 : x
  2. Step 2: Convert to fraction form
    20,057.03/27,679.02 = 10,982.24/x
  3. Step 3: Cross multiply
    20,057.03x = 27,679.02 × 10,982.24
  4. Step 4: Simplify right side
    20,057.03x = 303,977,502.21
  5. Step 5: Solve for x
    x = 303,977,502.21/20,057.03
  6. Step 6: Final answer
    x = 15,155.66

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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.