Home / 15,635.86-23,453.91-4,543.30

Finding the Fourth Proportional to 15,635.86, 23,453.91 and 4,543.30

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Solution

The fourth proportional to 15,635.86, 23,453.91 and 4,543.30 is: 6,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.86 : 23,453.91 = 4,543.30 : x
  2. Step 2: Convert to fraction form
    15,635.86/23,453.91 = 4,543.30/x
  3. Step 3: Cross multiply
    15,635.86x = 23,453.91 × 4,543.30
  4. Step 4: Simplify right side
    15,635.86x = 106,558,149.30
  5. Step 5: Solve for x
    x = 106,558,149.30/15,635.86
  6. Step 6: Final answer
    x = 6,814.98

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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.