Home / 20,018.62-27,628.23-11,633.50

Finding the Fourth Proportional to 20,018.62, 27,628.23 and 11,633.50

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Solution

The fourth proportional to 20,018.62, 27,628.23 and 11,633.50 is: 16,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.62 : 27,628.23 = 11,633.50 : x
  2. Step 2: Convert to fraction form
    20,018.62/27,628.23 = 11,633.50/x
  3. Step 3: Cross multiply
    20,018.62x = 27,628.23 × 11,633.50
  4. Step 4: Simplify right side
    20,018.62x = 321,413,013.71
  5. Step 5: Solve for x
    x = 321,413,013.71/20,018.62
  6. Step 6: Final answer
    x = 16,055.70

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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.