Home / 19,738.04-27,238.46-11,356.12

Finding the Fourth Proportional to 19,738.04, 27,238.46 and 11,356.12

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Solution

The fourth proportional to 19,738.04, 27,238.46 and 11,356.12 is: 15,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.04 : 27,238.46 = 11,356.12 : x
  2. Step 2: Convert to fraction form
    19,738.04/27,238.46 = 11,356.12/x
  3. Step 3: Cross multiply
    19,738.04x = 27,238.46 × 11,356.12
  4. Step 4: Simplify right side
    19,738.04x = 309,323,220.38
  5. Step 5: Solve for x
    x = 309,323,220.38/19,738.04
  6. Step 6: Final answer
    x = 15,671.43

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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.