Home / 14,050.76-21,079.26-5,285.75

Finding the Fourth Proportional to 14,050.76, 21,079.26 and 5,285.75

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Solution

The fourth proportional to 14,050.76, 21,079.26 and 5,285.75 is: 7,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.76 : 21,079.26 = 5,285.75 : x
  2. Step 2: Convert to fraction form
    14,050.76/21,079.26 = 5,285.75/x
  3. Step 3: Cross multiply
    14,050.76x = 21,079.26 × 5,285.75
  4. Step 4: Simplify right side
    14,050.76x = 111,419,593.15
  5. Step 5: Solve for x
    x = 111,419,593.15/14,050.76
  6. Step 6: Final answer
    x = 7,929.79

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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.