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Finding the Fourth Proportional to 15,189.99, 22,790.43 and 10,841.49

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Solution

The fourth proportional to 15,189.99, 22,790.43 and 10,841.49 is: 16,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189.99 : 22,790.43 = 10,841.49 : x
  2. Step 2: Convert to fraction form
    15,189.99/22,790.43 = 10,841.49/x
  3. Step 3: Cross multiply
    15,189.99x = 22,790.43 × 10,841.49
  4. Step 4: Simplify right side
    15,189.99x = 247,082,218.94
  5. Step 5: Solve for x
    x = 247,082,218.94/15,189.99
  6. Step 6: Final answer
    x = 16,266.12

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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.