Home / 14,228.16-21,344.40-4,992

Finding the Fourth Proportional to 14,228.16, 21,344.40 and 4,992

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Solution

The fourth proportional to 14,228.16, 21,344.40 and 4,992 is: 7,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.16 : 21,344.40 = 4,992 : x
  2. Step 2: Convert to fraction form
    14,228.16/21,344.40 = 4,992/x
  3. Step 3: Cross multiply
    14,228.16x = 21,344.40 × 4,992
  4. Step 4: Simplify right side
    14,228.16x = 106,551,244.80
  5. Step 5: Solve for x
    x = 106,551,244.80/14,228.16
  6. Step 6: Final answer
    x = 7,488.76

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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.