Home / 14,227.85-21,341.76-3,696.99

Finding the Fourth Proportional to 14,227.85, 21,341.76 and 3,696.99

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Solution

The fourth proportional to 14,227.85, 21,341.76 and 3,696.99 is: 5,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.85 : 21,341.76 = 3,696.99 : x
  2. Step 2: Convert to fraction form
    14,227.85/21,341.76 = 3,696.99/x
  3. Step 3: Cross multiply
    14,227.85x = 21,341.76 × 3,696.99
  4. Step 4: Simplify right side
    14,227.85x = 78,900,273.30
  5. Step 5: Solve for x
    x = 78,900,273.30/14,227.85
  6. Step 6: Final answer
    x = 5,545.48

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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.