Home / 14,655.12-21,982.48-3,561.77

Finding the Fourth Proportional to 14,655.12, 21,982.48 and 3,561.77

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Solution

The fourth proportional to 14,655.12, 21,982.48 and 3,561.77 is: 5,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.12 : 21,982.48 = 3,561.77 : x
  2. Step 2: Convert to fraction form
    14,655.12/21,982.48 = 3,561.77/x
  3. Step 3: Cross multiply
    14,655.12x = 21,982.48 × 3,561.77
  4. Step 4: Simplify right side
    14,655.12x = 78,296,583.84
  5. Step 5: Solve for x
    x = 78,296,583.84/14,655.12
  6. Step 6: Final answer
    x = 5,342.61

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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.