Home / 15,543.85-23,311.53-4,296.49

Finding the Fourth Proportional to 15,543.85, 23,311.53 and 4,296.49

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Solution

The fourth proportional to 15,543.85, 23,311.53 and 4,296.49 is: 6,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.85 : 23,311.53 = 4,296.49 : x
  2. Step 2: Convert to fraction form
    15,543.85/23,311.53 = 4,296.49/x
  3. Step 3: Cross multiply
    15,543.85x = 23,311.53 × 4,296.49
  4. Step 4: Simplify right side
    15,543.85x = 100,157,755.53
  5. Step 5: Solve for x
    x = 100,157,755.53/15,543.85
  6. Step 6: Final answer
    x = 6,443.56

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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.