Home / 13,716.96-20,582.94-5,818.25

Finding the Fourth Proportional to 13,716.96, 20,582.94 and 5,818.25

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Solution

The fourth proportional to 13,716.96, 20,582.94 and 5,818.25 is: 8,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.96 : 20,582.94 = 5,818.25 : x
  2. Step 2: Convert to fraction form
    13,716.96/20,582.94 = 5,818.25/x
  3. Step 3: Cross multiply
    13,716.96x = 20,582.94 × 5,818.25
  4. Step 4: Simplify right side
    13,716.96x = 119,756,587.74
  5. Step 5: Solve for x
    x = 119,756,587.74/13,716.96
  6. Step 6: Final answer
    x = 8,730.55

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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.