Home / 20,050.31-27,668.49-10,975.49

Finding the Fourth Proportional to 20,050.31, 27,668.49 and 10,975.49

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Solution

The fourth proportional to 20,050.31, 27,668.49 and 10,975.49 is: 15,145.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.31 : 27,668.49 = 10,975.49 : x
  2. Step 2: Convert to fraction form
    20,050.31/27,668.49 = 10,975.49/x
  3. Step 3: Cross multiply
    20,050.31x = 27,668.49 × 10,975.49
  4. Step 4: Simplify right side
    20,050.31x = 303,675,315.20
  5. Step 5: Solve for x
    x = 303,675,315.20/20,050.31
  6. Step 6: Final answer
    x = 15,145.66

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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.