Home / 14,558.52-20,090.36-8,270.76

Finding the Fourth Proportional to 14,558.52, 20,090.36 and 8,270.76

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Solution

The fourth proportional to 14,558.52, 20,090.36 and 8,270.76 is: 11,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.52 : 20,090.36 = 8,270.76 : x
  2. Step 2: Convert to fraction form
    14,558.52/20,090.36 = 8,270.76/x
  3. Step 3: Cross multiply
    14,558.52x = 20,090.36 × 8,270.76
  4. Step 4: Simplify right side
    14,558.52x = 166,162,545.87
  5. Step 5: Solve for x
    x = 166,162,545.87/14,558.52
  6. Step 6: Final answer
    x = 11,413.42

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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.