Home / 14,479.96-21,722.82-5,122.48

Finding the Fourth Proportional to 14,479.96, 21,722.82 and 5,122.48

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Solution

The fourth proportional to 14,479.96, 21,722.82 and 5,122.48 is: 7,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.96 : 21,722.82 = 5,122.48 : x
  2. Step 2: Convert to fraction form
    14,479.96/21,722.82 = 5,122.48/x
  3. Step 3: Cross multiply
    14,479.96x = 21,722.82 × 5,122.48
  4. Step 4: Simplify right side
    14,479.96x = 111,274,710.99
  5. Step 5: Solve for x
    x = 111,274,710.99/14,479.96
  6. Step 6: Final answer
    x = 7,684.74

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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.