Home / 14,651.48-21,977.15-3,558.22

Finding the Fourth Proportional to 14,651.48, 21,977.15 and 3,558.22

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Solution

The fourth proportional to 14,651.48, 21,977.15 and 3,558.22 is: 5,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.48 : 21,977.15 = 3,558.22 : x
  2. Step 2: Convert to fraction form
    14,651.48/21,977.15 = 3,558.22/x
  3. Step 3: Cross multiply
    14,651.48x = 21,977.15 × 3,558.22
  4. Step 4: Simplify right side
    14,651.48x = 78,199,461.94
  5. Step 5: Solve for x
    x = 78,199,461.94/14,651.48
  6. Step 6: Final answer
    x = 5,337.31

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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.