Home / 17,115.99-23,619.85-9,563.05

Finding the Fourth Proportional to 17,115.99, 23,619.85 and 9,563.05

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Solution

The fourth proportional to 17,115.99, 23,619.85 and 9,563.05 is: 13,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.99 : 23,619.85 = 9,563.05 : x
  2. Step 2: Convert to fraction form
    17,115.99/23,619.85 = 9,563.05/x
  3. Step 3: Cross multiply
    17,115.99x = 23,619.85 × 9,563.05
  4. Step 4: Simplify right side
    17,115.99x = 225,877,806.54
  5. Step 5: Solve for x
    x = 225,877,806.54/17,115.99
  6. Step 6: Final answer
    x = 13,196.89

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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.