Home / 12,125.03-18,080.46-10,650.29

Finding the Fourth Proportional to 12,125.03, 18,080.46 and 10,650.29

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Solution

The fourth proportional to 12,125.03, 18,080.46 and 10,650.29 is: 15,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.03 : 18,080.46 = 10,650.29 : x
  2. Step 2: Convert to fraction form
    12,125.03/18,080.46 = 10,650.29/x
  3. Step 3: Cross multiply
    12,125.03x = 18,080.46 × 10,650.29
  4. Step 4: Simplify right side
    12,125.03x = 192,562,021.98
  5. Step 5: Solve for x
    x = 192,562,021.98/12,125.03
  6. Step 6: Final answer
    x = 15,881.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.