Home / 15,556.88-23,342.22-8,159.60

Finding the Fourth Proportional to 15,556.88, 23,342.22 and 8,159.60

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Solution

The fourth proportional to 15,556.88, 23,342.22 and 8,159.60 is: 12,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.88 : 23,342.22 = 8,159.60 : x
  2. Step 2: Convert to fraction form
    15,556.88/23,342.22 = 8,159.60/x
  3. Step 3: Cross multiply
    15,556.88x = 23,342.22 × 8,159.60
  4. Step 4: Simplify right side
    15,556.88x = 190,463,178.31
  5. Step 5: Solve for x
    x = 190,463,178.31/15,556.88
  6. Step 6: Final answer
    x = 12,243.02

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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.