Home / 19,935.75-27,512.60-10,983.27

Finding the Fourth Proportional to 19,935.75, 27,512.60 and 10,983.27

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Solution

The fourth proportional to 19,935.75, 27,512.60 and 10,983.27 is: 15,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.75 : 27,512.60 = 10,983.27 : x
  2. Step 2: Convert to fraction form
    19,935.75/27,512.60 = 10,983.27/x
  3. Step 3: Cross multiply
    19,935.75x = 27,512.60 × 10,983.27
  4. Step 4: Simplify right side
    19,935.75x = 302,178,259.29
  5. Step 5: Solve for x
    x = 302,178,259.29/19,935.75
  6. Step 6: Final answer
    x = 15,157.61

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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.