Home / 13,035.78-19,553.69-3,175.05

Finding the Fourth Proportional to 13,035.78, 19,553.69 and 3,175.05

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Solution

The fourth proportional to 13,035.78, 19,553.69 and 3,175.05 is: 4,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.78 : 19,553.69 = 3,175.05 : x
  2. Step 2: Convert to fraction form
    13,035.78/19,553.69 = 3,175.05/x
  3. Step 3: Cross multiply
    13,035.78x = 19,553.69 × 3,175.05
  4. Step 4: Simplify right side
    13,035.78x = 62,083,927.56
  5. Step 5: Solve for x
    x = 62,083,927.56/13,035.78
  6. Step 6: Final answer
    x = 4,762.58

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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.