Home / 13,725.40-20,588.04-3,337.18

Finding the Fourth Proportional to 13,725.40, 20,588.04 and 3,337.18

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Solution

The fourth proportional to 13,725.40, 20,588.04 and 3,337.18 is: 5,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.40 : 20,588.04 = 3,337.18 : x
  2. Step 2: Convert to fraction form
    13,725.40/20,588.04 = 3,337.18/x
  3. Step 3: Cross multiply
    13,725.40x = 20,588.04 × 3,337.18
  4. Step 4: Simplify right side
    13,725.40x = 68,705,995.33
  5. Step 5: Solve for x
    x = 68,705,995.33/13,725.40
  6. Step 6: Final answer
    x = 5,005.76

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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.