Home / 14,887.73-20,545.29-8,173.98

Finding the Fourth Proportional to 14,887.73, 20,545.29 and 8,173.98

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Solution

The fourth proportional to 14,887.73, 20,545.29 and 8,173.98 is: 11,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.73 : 20,545.29 = 8,173.98 : x
  2. Step 2: Convert to fraction form
    14,887.73/20,545.29 = 8,173.98/x
  3. Step 3: Cross multiply
    14,887.73x = 20,545.29 × 8,173.98
  4. Step 4: Simplify right side
    14,887.73x = 167,936,789.55
  5. Step 5: Solve for x
    x = 167,936,789.55/14,887.73
  6. Step 6: Final answer
    x = 11,280.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.