Home / 14,225.85-21,348.30-5,905.87

Finding the Fourth Proportional to 14,225.85, 21,348.30 and 5,905.87

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Solution

The fourth proportional to 14,225.85, 21,348.30 and 5,905.87 is: 8,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.85 : 21,348.30 = 5,905.87 : x
  2. Step 2: Convert to fraction form
    14,225.85/21,348.30 = 5,905.87/x
  3. Step 3: Cross multiply
    14,225.85x = 21,348.30 × 5,905.87
  4. Step 4: Simplify right side
    14,225.85x = 126,080,340.16
  5. Step 5: Solve for x
    x = 126,080,340.16/14,225.85
  6. Step 6: Final answer
    x = 8,862.76

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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.