Home / 15,590.97-21,522.62-9,933.48

Finding the Fourth Proportional to 15,590.97, 21,522.62 and 9,933.48

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Solution

The fourth proportional to 15,590.97, 21,522.62 and 9,933.48 is: 13,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.97 : 21,522.62 = 9,933.48 : x
  2. Step 2: Convert to fraction form
    15,590.97/21,522.62 = 9,933.48/x
  3. Step 3: Cross multiply
    15,590.97x = 21,522.62 × 9,933.48
  4. Step 4: Simplify right side
    15,590.97x = 213,794,515.32
  5. Step 5: Solve for x
    x = 213,794,515.32/15,590.97
  6. Step 6: Final answer
    x = 13,712.71

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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.