Home / 13,967.43-20,951.37-3,437.48

Finding the Fourth Proportional to 13,967.43, 20,951.37 and 3,437.48

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Solution

The fourth proportional to 13,967.43, 20,951.37 and 3,437.48 is: 5,156.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.43 : 20,951.37 = 3,437.48 : x
  2. Step 2: Convert to fraction form
    13,967.43/20,951.37 = 3,437.48/x
  3. Step 3: Cross multiply
    13,967.43x = 20,951.37 × 3,437.48
  4. Step 4: Simplify right side
    13,967.43x = 72,019,915.35
  5. Step 5: Solve for x
    x = 72,019,915.35/13,967.43
  6. Step 6: Final answer
    x = 5,156.28

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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.