Home / 19,575.54-27,015.33-11,078.10

Finding the Fourth Proportional to 19,575.54, 27,015.33 and 11,078.10

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Solution

The fourth proportional to 19,575.54, 27,015.33 and 11,078.10 is: 15,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.54 : 27,015.33 = 11,078.10 : x
  2. Step 2: Convert to fraction form
    19,575.54/27,015.33 = 11,078.10/x
  3. Step 3: Cross multiply
    19,575.54x = 27,015.33 × 11,078.10
  4. Step 4: Simplify right side
    19,575.54x = 299,278,527.27
  5. Step 5: Solve for x
    x = 299,278,527.27/19,575.54
  6. Step 6: Final answer
    x = 15,288.39

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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.