Home / 13,736.25-18,942.12-11,210.22

Finding the Fourth Proportional to 13,736.25, 18,942.12 and 11,210.22

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Solution

The fourth proportional to 13,736.25, 18,942.12 and 11,210.22 is: 15,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.25 : 18,942.12 = 11,210.22 : x
  2. Step 2: Convert to fraction form
    13,736.25/18,942.12 = 11,210.22/x
  3. Step 3: Cross multiply
    13,736.25x = 18,942.12 × 11,210.22
  4. Step 4: Simplify right side
    13,736.25x = 212,345,332.47
  5. Step 5: Solve for x
    x = 212,345,332.47/13,736.25
  6. Step 6: Final answer
    x = 15,458.76

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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.