Home / 19,576.35-27,016.68-11,078.46

Finding the Fourth Proportional to 19,576.35, 27,016.68 and 11,078.46

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Solution

The fourth proportional to 19,576.35, 27,016.68 and 11,078.46 is: 15,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.35 : 27,016.68 = 11,078.46 : x
  2. Step 2: Convert to fraction form
    19,576.35/27,016.68 = 11,078.46/x
  3. Step 3: Cross multiply
    19,576.35x = 27,016.68 × 11,078.46
  4. Step 4: Simplify right side
    19,576.35x = 299,303,208.71
  5. Step 5: Solve for x
    x = 299,303,208.71/19,576.35
  6. Step 6: Final answer
    x = 15,289.02

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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.