Home / 14,488.97-21,735.28-5,126.79

Finding the Fourth Proportional to 14,488.97, 21,735.28 and 5,126.79

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Solution

The fourth proportional to 14,488.97, 21,735.28 and 5,126.79 is: 7,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.97 : 21,735.28 = 5,126.79 : x
  2. Step 2: Convert to fraction form
    14,488.97/21,735.28 = 5,126.79/x
  3. Step 3: Cross multiply
    14,488.97x = 21,735.28 × 5,126.79
  4. Step 4: Simplify right side
    14,488.97x = 111,432,216.15
  5. Step 5: Solve for x
    x = 111,432,216.15/14,488.97
  6. Step 6: Final answer
    x = 7,690.83

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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.