Home / 19,736.49-27,236.36-10,661.85

Finding the Fourth Proportional to 19,736.49, 27,236.36 and 10,661.85

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Solution

The fourth proportional to 19,736.49, 27,236.36 and 10,661.85 is: 14,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.49 : 27,236.36 = 10,661.85 : x
  2. Step 2: Convert to fraction form
    19,736.49/27,236.36 = 10,661.85/x
  3. Step 3: Cross multiply
    19,736.49x = 27,236.36 × 10,661.85
  4. Step 4: Simplify right side
    19,736.49x = 290,390,106.99
  5. Step 5: Solve for x
    x = 290,390,106.99/19,736.49
  6. Step 6: Final answer
    x = 14,713.36

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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.