Home / 20,050.33-27,668.69-10,975.90

Finding the Fourth Proportional to 20,050.33, 27,668.69 and 10,975.90

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Solution

The fourth proportional to 20,050.33, 27,668.69 and 10,975.90 is: 15,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.33 : 27,668.69 = 10,975.90 : x
  2. Step 2: Convert to fraction form
    20,050.33/27,668.69 = 10,975.90/x
  3. Step 3: Cross multiply
    20,050.33x = 27,668.69 × 10,975.90
  4. Step 4: Simplify right side
    20,050.33x = 303,688,636.23
  5. Step 5: Solve for x
    x = 303,688,636.23/20,050.33
  6. Step 6: Final answer
    x = 15,146.32

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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.