Home / 23,166.62-31,969.99-12,556.25

Finding the Fourth Proportional to 23,166.62, 31,969.99 and 12,556.25

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Solution

The fourth proportional to 23,166.62, 31,969.99 and 12,556.25 is: 17,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,166.62 : 31,969.99 = 12,556.25 : x
  2. Step 2: Convert to fraction form
    23,166.62/31,969.99 = 12,556.25/x
  3. Step 3: Cross multiply
    23,166.62x = 31,969.99 × 12,556.25
  4. Step 4: Simplify right side
    23,166.62x = 401,423,186.94
  5. Step 5: Solve for x
    x = 401,423,186.94/23,166.62
  6. Step 6: Final answer
    x = 17,327.65

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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.