Home / 15,729.21-23,588.15-5,338.53

Finding the Fourth Proportional to 15,729.21, 23,588.15 and 5,338.53

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Solution

The fourth proportional to 15,729.21, 23,588.15 and 5,338.53 is: 8,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.21 : 23,588.15 = 5,338.53 : x
  2. Step 2: Convert to fraction form
    15,729.21/23,588.15 = 5,338.53/x
  3. Step 3: Cross multiply
    15,729.21x = 23,588.15 × 5,338.53
  4. Step 4: Simplify right side
    15,729.21x = 125,926,019.73
  5. Step 5: Solve for x
    x = 125,926,019.73/15,729.21
  6. Step 6: Final answer
    x = 8,005.87

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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.