Home / 25,814.96-35,620.41-15,203.15

Finding the Fourth Proportional to 25,814.96, 35,620.41 and 15,203.15

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Solution

The fourth proportional to 25,814.96, 35,620.41 and 15,203.15 is: 20,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814.96 : 35,620.41 = 15,203.15 : x
  2. Step 2: Convert to fraction form
    25,814.96/35,620.41 = 15,203.15/x
  3. Step 3: Cross multiply
    25,814.96x = 35,620.41 × 15,203.15
  4. Step 4: Simplify right side
    25,814.96x = 541,542,182.17
  5. Step 5: Solve for x
    x = 541,542,182.17/25,814.96
  6. Step 6: Final answer
    x = 20,977.85

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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.