Home / 15,138.10-22,704.53-4,605.57

Finding the Fourth Proportional to 15,138.10, 22,704.53 and 4,605.57

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Solution

The fourth proportional to 15,138.10, 22,704.53 and 4,605.57 is: 6,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.10 : 22,704.53 = 4,605.57 : x
  2. Step 2: Convert to fraction form
    15,138.10/22,704.53 = 4,605.57/x
  3. Step 3: Cross multiply
    15,138.10x = 22,704.53 × 4,605.57
  4. Step 4: Simplify right side
    15,138.10x = 104,567,228.30
  5. Step 5: Solve for x
    x = 104,567,228.30/15,138.10
  6. Step 6: Final answer
    x = 6,907.55

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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.