Home / 15,998.11-22,077.23-8,828.09

Finding the Fourth Proportional to 15,998.11, 22,077.23 and 8,828.09

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Solution

The fourth proportional to 15,998.11, 22,077.23 and 8,828.09 is: 12,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.11 : 22,077.23 = 8,828.09 : x
  2. Step 2: Convert to fraction form
    15,998.11/22,077.23 = 8,828.09/x
  3. Step 3: Cross multiply
    15,998.11x = 22,077.23 × 8,828.09
  4. Step 4: Simplify right side
    15,998.11x = 194,899,776.14
  5. Step 5: Solve for x
    x = 194,899,776.14/15,998.11
  6. Step 6: Final answer
    x = 12,182.68

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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.