Home / 25,947.96-35,772.78-18,371.64

Finding the Fourth Proportional to 25,947.96, 35,772.78 and 18,371.64

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Solution

The fourth proportional to 25,947.96, 35,772.78 and 18,371.64 is: 25,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.96 : 35,772.78 = 18,371.64 : x
  2. Step 2: Convert to fraction form
    25,947.96/35,772.78 = 18,371.64/x
  3. Step 3: Cross multiply
    25,947.96x = 35,772.78 × 18,371.64
  4. Step 4: Simplify right side
    25,947.96x = 657,204,635.96
  5. Step 5: Solve for x
    x = 657,204,635.96/25,947.96
  6. Step 6: Final answer
    x = 25,327.80

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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.