Home / 27,555.07-41,331.69-11,972.69

Finding the Fourth Proportional to 27,555.07, 41,331.69 and 11,972.69

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Solution

The fourth proportional to 27,555.07, 41,331.69 and 11,972.69 is: 17,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.07 : 41,331.69 = 11,972.69 : x
  2. Step 2: Convert to fraction form
    27,555.07/41,331.69 = 11,972.69/x
  3. Step 3: Cross multiply
    27,555.07x = 41,331.69 × 11,972.69
  4. Step 4: Simplify right side
    27,555.07x = 494,851,614.88
  5. Step 5: Solve for x
    x = 494,851,614.88/27,555.07
  6. Step 6: Final answer
    x = 17,958.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.