Home / 18,545.76-27,679.32-16,035.84

Finding the Fourth Proportional to 18,545.76, 27,679.32 and 16,035.84

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Solution

The fourth proportional to 18,545.76, 27,679.32 and 16,035.84 is: 23,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.76 : 27,679.32 = 16,035.84 : x
  2. Step 2: Convert to fraction form
    18,545.76/27,679.32 = 16,035.84/x
  3. Step 3: Cross multiply
    18,545.76x = 27,679.32 × 16,035.84
  4. Step 4: Simplify right side
    18,545.76x = 443,861,146.83
  5. Step 5: Solve for x
    x = 443,861,146.83/18,545.76
  6. Step 6: Final answer
    x = 23,933.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.