Home / 13,039.19-19,556.72-4,153.37

Finding the Fourth Proportional to 13,039.19, 19,556.72 and 4,153.37

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Solution

The fourth proportional to 13,039.19, 19,556.72 and 4,153.37 is: 6,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.19 : 19,556.72 = 4,153.37 : x
  2. Step 2: Convert to fraction form
    13,039.19/19,556.72 = 4,153.37/x
  3. Step 3: Cross multiply
    13,039.19x = 19,556.72 × 4,153.37
  4. Step 4: Simplify right side
    13,039.19x = 81,226,324.54
  5. Step 5: Solve for x
    x = 81,226,324.54/13,039.19
  6. Step 6: Final answer
    x = 6,229.40

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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.