Home / 13,801.28-20,703.48-4,438.04

Finding the Fourth Proportional to 13,801.28, 20,703.48 and 4,438.04

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Solution

The fourth proportional to 13,801.28, 20,703.48 and 4,438.04 is: 6,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.28 : 20,703.48 = 4,438.04 : x
  2. Step 2: Convert to fraction form
    13,801.28/20,703.48 = 4,438.04/x
  3. Step 3: Cross multiply
    13,801.28x = 20,703.48 × 4,438.04
  4. Step 4: Simplify right side
    13,801.28x = 91,882,872.38
  5. Step 5: Solve for x
    x = 91,882,872.38/13,801.28
  6. Step 6: Final answer
    x = 6,657.56

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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.