Home / 19,839.06-27,380.43-11,453.94

Finding the Fourth Proportional to 19,839.06, 27,380.43 and 11,453.94

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Solution

The fourth proportional to 19,839.06, 27,380.43 and 11,453.94 is: 15,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.06 : 27,380.43 = 11,453.94 : x
  2. Step 2: Convert to fraction form
    19,839.06/27,380.43 = 11,453.94/x
  3. Step 3: Cross multiply
    19,839.06x = 27,380.43 × 11,453.94
  4. Step 4: Simplify right side
    19,839.06x = 313,613,802.39
  5. Step 5: Solve for x
    x = 313,613,802.39/19,839.06
  6. Step 6: Final answer
    x = 15,807.90

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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.