Home / 20,057.63-27,679.95-10,983.37

Finding the Fourth Proportional to 20,057.63, 27,679.95 and 10,983.37

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Solution

The fourth proportional to 20,057.63, 27,679.95 and 10,983.37 is: 15,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.63 : 27,679.95 = 10,983.37 : x
  2. Step 2: Convert to fraction form
    20,057.63/27,679.95 = 10,983.37/x
  3. Step 3: Cross multiply
    20,057.63x = 27,679.95 × 10,983.37
  4. Step 4: Simplify right side
    20,057.63x = 304,019,167.03
  5. Step 5: Solve for x
    x = 304,019,167.03/20,057.63
  6. Step 6: Final answer
    x = 15,157.28

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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.