Home / 14,103.88-21,156.21-4,108.23

Finding the Fourth Proportional to 14,103.88, 21,156.21 and 4,108.23

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Solution

The fourth proportional to 14,103.88, 21,156.21 and 4,108.23 is: 6,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.88 : 21,156.21 = 4,108.23 : x
  2. Step 2: Convert to fraction form
    14,103.88/21,156.21 = 4,108.23/x
  3. Step 3: Cross multiply
    14,103.88x = 21,156.21 × 4,108.23
  4. Step 4: Simplify right side
    14,103.88x = 86,914,576.61
  5. Step 5: Solve for x
    x = 86,914,576.61/14,103.88
  6. Step 6: Final answer
    x = 6,162.46

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Double scale
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Similar ratio
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1.5x scale

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.