Home / 26,171.20-36,111.36-15,563.44

Finding the Fourth Proportional to 26,171.20, 36,111.36 and 15,563.44

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Solution

The fourth proportional to 26,171.20, 36,111.36 and 15,563.44 is: 21,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,171.20 : 36,111.36 = 15,563.44 : x
  2. Step 2: Convert to fraction form
    26,171.20/36,111.36 = 15,563.44/x
  3. Step 3: Cross multiply
    26,171.20x = 36,111.36 × 15,563.44
  4. Step 4: Simplify right side
    26,171.20x = 562,016,984.68
  5. Step 5: Solve for x
    x = 562,016,984.68/26,171.20
  6. Step 6: Final answer
    x = 21,474.64

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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.