Home / 25,336.40-38,015.40-15,983.60

Finding the Fourth Proportional to 25,336.40, 38,015.40 and 15,983.60

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Solution

The fourth proportional to 25,336.40, 38,015.40 and 15,983.60 is: 23,982.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,336.40 : 38,015.40 = 15,983.60 : x
  2. Step 2: Convert to fraction form
    25,336.40/38,015.40 = 15,983.60/x
  3. Step 3: Cross multiply
    25,336.40x = 38,015.40 × 15,983.60
  4. Step 4: Simplify right side
    25,336.40x = 607,622,947.44
  5. Step 5: Solve for x
    x = 607,622,947.44/25,336.40
  6. Step 6: Final answer
    x = 23,982.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.