Home / 19,576.54-27,016.71-11,079.10

Finding the Fourth Proportional to 19,576.54, 27,016.71 and 11,079.10

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Solution

The fourth proportional to 19,576.54, 27,016.71 and 11,079.10 is: 15,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.54 : 27,016.71 = 11,079.10 : x
  2. Step 2: Convert to fraction form
    19,576.54/27,016.71 = 11,079.10/x
  3. Step 3: Cross multiply
    19,576.54x = 27,016.71 × 11,079.10
  4. Step 4: Simplify right side
    19,576.54x = 299,320,831.76
  5. Step 5: Solve for x
    x = 299,320,831.76/19,576.54
  6. Step 6: Final answer
    x = 15,289.77

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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.