Home / 25,491.20-35,163.60-16,043.36

Finding the Fourth Proportional to 25,491.20, 35,163.60 and 16,043.36

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Solution

The fourth proportional to 25,491.20, 35,163.60 and 16,043.36 is: 22,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491.20 : 35,163.60 = 16,043.36 : x
  2. Step 2: Convert to fraction form
    25,491.20/35,163.60 = 16,043.36/x
  3. Step 3: Cross multiply
    25,491.20x = 35,163.60 × 16,043.36
  4. Step 4: Simplify right side
    25,491.20x = 564,142,293.70
  5. Step 5: Solve for x
    x = 564,142,293.70/25,491.20
  6. Step 6: Final answer
    x = 22,130.86

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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.