Home / 18,230.61-27,347.45-5,082.99

Finding the Fourth Proportional to 18,230.61, 27,347.45 and 5,082.99

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Solution

The fourth proportional to 18,230.61, 27,347.45 and 5,082.99 is: 7,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.61 : 27,347.45 = 5,082.99 : x
  2. Step 2: Convert to fraction form
    18,230.61/27,347.45 = 5,082.99/x
  3. Step 3: Cross multiply
    18,230.61x = 27,347.45 × 5,082.99
  4. Step 4: Simplify right side
    18,230.61x = 139,006,814.88
  5. Step 5: Solve for x
    x = 139,006,814.88/18,230.61
  6. Step 6: Final answer
    x = 7,624.91

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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.