Home / 20,050.54-27,667.33-11,555.42

Finding the Fourth Proportional to 20,050.54, 27,667.33 and 11,555.42

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Solution

The fourth proportional to 20,050.54, 27,667.33 and 11,555.42 is: 15,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.54 : 27,667.33 = 11,555.42 : x
  2. Step 2: Convert to fraction form
    20,050.54/27,667.33 = 11,555.42/x
  3. Step 3: Cross multiply
    20,050.54x = 27,667.33 × 11,555.42
  4. Step 4: Simplify right side
    20,050.54x = 319,707,451.20
  5. Step 5: Solve for x
    x = 319,707,451.20/20,050.54
  6. Step 6: Final answer
    x = 15,945.08

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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.