Home / 20,050.64-30,079.63-6,722.29

Finding the Fourth Proportional to 20,050.64, 30,079.63 and 6,722.29

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Solution

The fourth proportional to 20,050.64, 30,079.63 and 6,722.29 is: 10,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.64 : 30,079.63 = 6,722.29 : x
  2. Step 2: Convert to fraction form
    20,050.64/30,079.63 = 6,722.29/x
  3. Step 3: Cross multiply
    20,050.64x = 30,079.63 × 6,722.29
  4. Step 4: Simplify right side
    20,050.64x = 202,203,845.55
  5. Step 5: Solve for x
    x = 202,203,845.55/20,050.64
  6. Step 6: Final answer
    x = 10,084.66

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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.