Home / 14,611.93-21,920.24-5,126.88

Finding the Fourth Proportional to 14,611.93, 21,920.24 and 5,126.88

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Solution

The fourth proportional to 14,611.93, 21,920.24 and 5,126.88 is: 7,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.93 : 21,920.24 = 5,126.88 : x
  2. Step 2: Convert to fraction form
    14,611.93/21,920.24 = 5,126.88/x
  3. Step 3: Cross multiply
    14,611.93x = 21,920.24 × 5,126.88
  4. Step 4: Simplify right side
    14,611.93x = 112,382,452.87
  5. Step 5: Solve for x
    x = 112,382,452.87/14,611.93
  6. Step 6: Final answer
    x = 7,691.14

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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.