Home / 13,725.57-20,588.37-3,337.32

Finding the Fourth Proportional to 13,725.57, 20,588.37 and 3,337.32

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Solution

The fourth proportional to 13,725.57, 20,588.37 and 3,337.32 is: 5,005.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.57 : 20,588.37 = 3,337.32 : x
  2. Step 2: Convert to fraction form
    13,725.57/20,588.37 = 3,337.32/x
  3. Step 3: Cross multiply
    13,725.57x = 20,588.37 × 3,337.32
  4. Step 4: Simplify right side
    13,725.57x = 68,709,978.97
  5. Step 5: Solve for x
    x = 68,709,978.97/13,725.57
  6. Step 6: Final answer
    x = 5,005.98

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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.