Home / 14,103-21,156.66-4,242.06

Finding the Fourth Proportional to 14,103, 21,156.66 and 4,242.06

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Solution

The fourth proportional to 14,103, 21,156.66 and 4,242.06 is: 6,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103 : 21,156.66 = 4,242.06 : x
  2. Step 2: Convert to fraction form
    14,103/21,156.66 = 4,242.06/x
  3. Step 3: Cross multiply
    14,103x = 21,156.66 × 4,242.06
  4. Step 4: Simplify right side
    14,103x = 89,747,821.12
  5. Step 5: Solve for x
    x = 89,747,821.12/14,103
  6. Step 6: Final answer
    x = 6,363.74

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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.