Home / 14,051.96-21,077.90-4,191

Finding the Fourth Proportional to 14,051.96, 21,077.90 and 4,191

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Solution

The fourth proportional to 14,051.96, 21,077.90 and 4,191 is: 6,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.96 : 21,077.90 = 4,191 : x
  2. Step 2: Convert to fraction form
    14,051.96/21,077.90 = 4,191/x
  3. Step 3: Cross multiply
    14,051.96x = 21,077.90 × 4,191
  4. Step 4: Simplify right side
    14,051.96x = 88,337,478.90
  5. Step 5: Solve for x
    x = 88,337,478.90/14,051.96
  6. Step 6: Final answer
    x = 6,286.49

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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.