Home / 20,048.10-27,666.72-10,974.26

Finding the Fourth Proportional to 20,048.10, 27,666.72 and 10,974.26

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Solution

The fourth proportional to 20,048.10, 27,666.72 and 10,974.26 is: 15,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.10 : 27,666.72 = 10,974.26 : x
  2. Step 2: Convert to fraction form
    20,048.10/27,666.72 = 10,974.26/x
  3. Step 3: Cross multiply
    20,048.10x = 27,666.72 × 10,974.26
  4. Step 4: Simplify right side
    20,048.10x = 303,621,640.29
  5. Step 5: Solve for x
    x = 303,621,640.29/20,048.10
  6. Step 6: Final answer
    x = 15,144.66

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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.