Home / 18,577.36-27,823.12-11,165.48

Finding the Fourth Proportional to 18,577.36, 27,823.12 and 11,165.48

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Solution

The fourth proportional to 18,577.36, 27,823.12 and 11,165.48 is: 16,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.36 : 27,823.12 = 11,165.48 : x
  2. Step 2: Convert to fraction form
    18,577.36/27,823.12 = 11,165.48/x
  3. Step 3: Cross multiply
    18,577.36x = 27,823.12 × 11,165.48
  4. Step 4: Simplify right side
    18,577.36x = 310,658,489.90
  5. Step 5: Solve for x
    x = 310,658,489.90/18,577.36
  6. Step 6: Final answer
    x = 16,722.42

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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.