Home / 15,556.77-23,329.08-5,422.59

Finding the Fourth Proportional to 15,556.77, 23,329.08 and 5,422.59

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Solution

The fourth proportional to 15,556.77, 23,329.08 and 5,422.59 is: 8,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.77 : 23,329.08 = 5,422.59 : x
  2. Step 2: Convert to fraction form
    15,556.77/23,329.08 = 5,422.59/x
  3. Step 3: Cross multiply
    15,556.77x = 23,329.08 × 5,422.59
  4. Step 4: Simplify right side
    15,556.77x = 126,504,035.92
  5. Step 5: Solve for x
    x = 126,504,035.92/15,556.77
  6. Step 6: Final answer
    x = 8,131.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.