Home / 20,041.14-27,680.40-15,027.24

Finding the Fourth Proportional to 20,041.14, 27,680.40 and 15,027.24

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Solution

The fourth proportional to 20,041.14, 27,680.40 and 15,027.24 is: 20,755.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.14 : 27,680.40 = 15,027.24 : x
  2. Step 2: Convert to fraction form
    20,041.14/27,680.40 = 15,027.24/x
  3. Step 3: Cross multiply
    20,041.14x = 27,680.40 × 15,027.24
  4. Step 4: Simplify right side
    20,041.14x = 415,960,014.10
  5. Step 5: Solve for x
    x = 415,960,014.10/20,041.14
  6. Step 6: Final answer
    x = 20,755.31

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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.