Home / 17,309.07-25,965.42-8,535.55

Finding the Fourth Proportional to 17,309.07, 25,965.42 and 8,535.55

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Solution

The fourth proportional to 17,309.07, 25,965.42 and 8,535.55 is: 12,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.07 : 25,965.42 = 8,535.55 : x
  2. Step 2: Convert to fraction form
    17,309.07/25,965.42 = 8,535.55/x
  3. Step 3: Cross multiply
    17,309.07x = 25,965.42 × 8,535.55
  4. Step 4: Simplify right side
    17,309.07x = 221,629,140.68
  5. Step 5: Solve for x
    x = 221,629,140.68/17,309.07
  6. Step 6: Final answer
    x = 12,804.22

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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.