Home / 15,315.21-22,972.77-4,926.96

Finding the Fourth Proportional to 15,315.21, 22,972.77 and 4,926.96

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Solution

The fourth proportional to 15,315.21, 22,972.77 and 4,926.96 is: 7,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315.21 : 22,972.77 = 4,926.96 : x
  2. Step 2: Convert to fraction form
    15,315.21/22,972.77 = 4,926.96/x
  3. Step 3: Cross multiply
    15,315.21x = 22,972.77 × 4,926.96
  4. Step 4: Simplify right side
    15,315.21x = 113,185,918.88
  5. Step 5: Solve for x
    x = 113,185,918.88/15,315.21
  6. Step 6: Final answer
    x = 7,390.43

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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.