Home / 13,562.24-20,338-5,237.68

Finding the Fourth Proportional to 13,562.24, 20,338 and 5,237.68

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Solution

The fourth proportional to 13,562.24, 20,338 and 5,237.68 is: 7,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.24 : 20,338 = 5,237.68 : x
  2. Step 2: Convert to fraction form
    13,562.24/20,338 = 5,237.68/x
  3. Step 3: Cross multiply
    13,562.24x = 20,338 × 5,237.68
  4. Step 4: Simplify right side
    13,562.24x = 106,523,935.84
  5. Step 5: Solve for x
    x = 106,523,935.84/13,562.24
  6. Step 6: Final answer
    x = 7,854.45

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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.