Home / 18,125.94-25,012.10-10,166.62

Finding the Fourth Proportional to 18,125.94, 25,012.10 and 10,166.62

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Solution

The fourth proportional to 18,125.94, 25,012.10 and 10,166.62 is: 14,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.94 : 25,012.10 = 10,166.62 : x
  2. Step 2: Convert to fraction form
    18,125.94/25,012.10 = 10,166.62/x
  3. Step 3: Cross multiply
    18,125.94x = 25,012.10 × 10,166.62
  4. Step 4: Simplify right side
    18,125.94x = 254,288,516.10
  5. Step 5: Solve for x
    x = 254,288,516.10/18,125.94
  6. Step 6: Final answer
    x = 14,028.98

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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.