Home / 13,582.98-20,356.44-7,344.57

Finding the Fourth Proportional to 13,582.98, 20,356.44 and 7,344.57

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Solution

The fourth proportional to 13,582.98, 20,356.44 and 7,344.57 is: 11,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.98 : 20,356.44 = 7,344.57 : x
  2. Step 2: Convert to fraction form
    13,582.98/20,356.44 = 7,344.57/x
  3. Step 3: Cross multiply
    13,582.98x = 20,356.44 × 7,344.57
  4. Step 4: Simplify right side
    13,582.98x = 149,509,298.53
  5. Step 5: Solve for x
    x = 149,509,298.53/13,582.98
  6. Step 6: Final answer
    x = 11,007.11

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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.