Home / 18,622.23-27,927.42-6,139.94

Finding the Fourth Proportional to 18,622.23, 27,927.42 and 6,139.94

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Solution

The fourth proportional to 18,622.23, 27,927.42 and 6,139.94 is: 9,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.23 : 27,927.42 = 6,139.94 : x
  2. Step 2: Convert to fraction form
    18,622.23/27,927.42 = 6,139.94/x
  3. Step 3: Cross multiply
    18,622.23x = 27,927.42 × 6,139.94
  4. Step 4: Simplify right side
    18,622.23x = 171,472,543.52
  5. Step 5: Solve for x
    x = 171,472,543.52/18,622.23
  6. Step 6: Final answer
    x = 9,207.95

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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.