Home / 18,161.04-25,064.46-11,090.28

Finding the Fourth Proportional to 18,161.04, 25,064.46 and 11,090.28

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Solution

The fourth proportional to 18,161.04, 25,064.46 and 11,090.28 is: 15,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.04 : 25,064.46 = 11,090.28 : x
  2. Step 2: Convert to fraction form
    18,161.04/25,064.46 = 11,090.28/x
  3. Step 3: Cross multiply
    18,161.04x = 25,064.46 × 11,090.28
  4. Step 4: Simplify right side
    18,161.04x = 277,971,879.45
  5. Step 5: Solve for x
    x = 277,971,879.45/18,161.04
  6. Step 6: Final answer
    x = 15,305.95

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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.