Home / 14,031.89-21,051.30-4,171.13

Finding the Fourth Proportional to 14,031.89, 21,051.30 and 4,171.13

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Solution

The fourth proportional to 14,031.89, 21,051.30 and 4,171.13 is: 6,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.89 : 21,051.30 = 4,171.13 : x
  2. Step 2: Convert to fraction form
    14,031.89/21,051.30 = 4,171.13/x
  3. Step 3: Cross multiply
    14,031.89x = 21,051.30 × 4,171.13
  4. Step 4: Simplify right side
    14,031.89x = 87,807,698.30
  5. Step 5: Solve for x
    x = 87,807,698.30/14,031.89
  6. Step 6: Final answer
    x = 6,257.72

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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.