Home / 18,590.78-25,654.38-10,092.72

Finding the Fourth Proportional to 18,590.78, 25,654.38 and 10,092.72

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Solution

The fourth proportional to 18,590.78, 25,654.38 and 10,092.72 is: 13,927.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.78 : 25,654.38 = 10,092.72 : x
  2. Step 2: Convert to fraction form
    18,590.78/25,654.38 = 10,092.72/x
  3. Step 3: Cross multiply
    18,590.78x = 25,654.38 × 10,092.72
  4. Step 4: Simplify right side
    18,590.78x = 258,922,474.11
  5. Step 5: Solve for x
    x = 258,922,474.11/18,590.78
  6. Step 6: Final answer
    x = 13,927.47

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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.