Home / 14,564.40-21,791.52-8,922

Finding the Fourth Proportional to 14,564.40, 21,791.52 and 8,922

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Solution

The fourth proportional to 14,564.40, 21,791.52 and 8,922 is: 13,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,564.40 : 21,791.52 = 8,922 : x
  2. Step 2: Convert to fraction form
    14,564.40/21,791.52 = 8,922/x
  3. Step 3: Cross multiply
    14,564.40x = 21,791.52 × 8,922
  4. Step 4: Simplify right side
    14,564.40x = 194,423,941.44
  5. Step 5: Solve for x
    x = 194,423,941.44/14,564.40
  6. Step 6: Final answer
    x = 13,349.26

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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.