Home / 19,253.85-26,556.09-12,173.45

Finding the Fourth Proportional to 19,253.85, 26,556.09 and 12,173.45

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Solution

The fourth proportional to 19,253.85, 26,556.09 and 12,173.45 is: 16,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.85 : 26,556.09 = 12,173.45 : x
  2. Step 2: Convert to fraction form
    19,253.85/26,556.09 = 12,173.45/x
  3. Step 3: Cross multiply
    19,253.85x = 26,556.09 × 12,173.45
  4. Step 4: Simplify right side
    19,253.85x = 323,279,101.03
  5. Step 5: Solve for x
    x = 323,279,101.03/19,253.85
  6. Step 6: Final answer
    x = 16,790.36

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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.