Home / 15,590.66-23,385.96-3,903.86

Finding the Fourth Proportional to 15,590.66, 23,385.96 and 3,903.86

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Solution

The fourth proportional to 15,590.66, 23,385.96 and 3,903.86 is: 5,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.66 : 23,385.96 = 3,903.86 : x
  2. Step 2: Convert to fraction form
    15,590.66/23,385.96 = 3,903.86/x
  3. Step 3: Cross multiply
    15,590.66x = 23,385.96 × 3,903.86
  4. Step 4: Simplify right side
    15,590.66x = 91,295,513.81
  5. Step 5: Solve for x
    x = 91,295,513.81/15,590.66
  6. Step 6: Final answer
    x = 5,855.78

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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.