Home / 19,661.06-27,132.78-10,708.94

Finding the Fourth Proportional to 19,661.06, 27,132.78 and 10,708.94

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Solution

The fourth proportional to 19,661.06, 27,132.78 and 10,708.94 is: 14,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.06 : 27,132.78 = 10,708.94 : x
  2. Step 2: Convert to fraction form
    19,661.06/27,132.78 = 10,708.94/x
  3. Step 3: Cross multiply
    19,661.06x = 27,132.78 × 10,708.94
  4. Step 4: Simplify right side
    19,661.06x = 290,563,313.05
  5. Step 5: Solve for x
    x = 290,563,313.05/19,661.06
  6. Step 6: Final answer
    x = 14,778.62

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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.