Home / 13,866.12-20,784.18-5,536.98

Finding the Fourth Proportional to 13,866.12, 20,784.18 and 5,536.98

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Solution

The fourth proportional to 13,866.12, 20,784.18 and 5,536.98 is: 8,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.12 : 20,784.18 = 5,536.98 : x
  2. Step 2: Convert to fraction form
    13,866.12/20,784.18 = 5,536.98/x
  3. Step 3: Cross multiply
    13,866.12x = 20,784.18 × 5,536.98
  4. Step 4: Simplify right side
    13,866.12x = 115,081,588.98
  5. Step 5: Solve for x
    x = 115,081,588.98/13,866.12
  6. Step 6: Final answer
    x = 8,299.48

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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.