Home / 13,582.56-20,367.12-4,816.16

Finding the Fourth Proportional to 13,582.56, 20,367.12 and 4,816.16

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Solution

The fourth proportional to 13,582.56, 20,367.12 and 4,816.16 is: 7,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.56 : 20,367.12 = 4,816.16 : x
  2. Step 2: Convert to fraction form
    13,582.56/20,367.12 = 4,816.16/x
  3. Step 3: Cross multiply
    13,582.56x = 20,367.12 × 4,816.16
  4. Step 4: Simplify right side
    13,582.56x = 98,091,308.66
  5. Step 5: Solve for x
    x = 98,091,308.66/13,582.56
  6. Step 6: Final answer
    x = 7,221.86

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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.