Home / 18,506.24-25,531.44-11,790.66

Finding the Fourth Proportional to 18,506.24, 25,531.44 and 11,790.66

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Solution

The fourth proportional to 18,506.24, 25,531.44 and 11,790.66 is: 16,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.24 : 25,531.44 = 11,790.66 : x
  2. Step 2: Convert to fraction form
    18,506.24/25,531.44 = 11,790.66/x
  3. Step 3: Cross multiply
    18,506.24x = 25,531.44 × 11,790.66
  4. Step 4: Simplify right side
    18,506.24x = 301,032,528.35
  5. Step 5: Solve for x
    x = 301,032,528.35/18,506.24
  6. Step 6: Final answer
    x = 16,266.54

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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.