Home / 13,736.39-20,585.75-9,049.32

Finding the Fourth Proportional to 13,736.39, 20,585.75 and 9,049.32

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Solution

The fourth proportional to 13,736.39, 20,585.75 and 9,049.32 is: 13,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.39 : 20,585.75 = 9,049.32 : x
  2. Step 2: Convert to fraction form
    13,736.39/20,585.75 = 9,049.32/x
  3. Step 3: Cross multiply
    13,736.39x = 20,585.75 × 9,049.32
  4. Step 4: Simplify right side
    13,736.39x = 186,286,993.94
  5. Step 5: Solve for x
    x = 186,286,993.94/13,736.39
  6. Step 6: Final answer
    x = 13,561.57

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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.