Home / 18,537.80-25,590.42-11,832.28

Finding the Fourth Proportional to 18,537.80, 25,590.42 and 11,832.28

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Solution

The fourth proportional to 18,537.80, 25,590.42 and 11,832.28 is: 16,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.80 : 25,590.42 = 11,832.28 : x
  2. Step 2: Convert to fraction form
    18,537.80/25,590.42 = 11,832.28/x
  3. Step 3: Cross multiply
    18,537.80x = 25,590.42 × 11,832.28
  4. Step 4: Simplify right side
    18,537.80x = 302,793,014.76
  5. Step 5: Solve for x
    x = 302,793,014.76/18,537.80
  6. Step 6: Final answer
    x = 16,333.82

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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.