Home / 13,856.23-20,784.44-5,536.95

Finding the Fourth Proportional to 13,856.23, 20,784.44 and 5,536.95

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Solution

The fourth proportional to 13,856.23, 20,784.44 and 5,536.95 is: 8,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856.23 : 20,784.44 = 5,536.95 : x
  2. Step 2: Convert to fraction form
    13,856.23/20,784.44 = 5,536.95/x
  3. Step 3: Cross multiply
    13,856.23x = 20,784.44 × 5,536.95
  4. Step 4: Simplify right side
    13,856.23x = 115,082,405.06
  5. Step 5: Solve for x
    x = 115,082,405.06/13,856.23
  6. Step 6: Final answer
    x = 8,305.46

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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.