Home / 18,672.03-25,767.07-10,174.21

Finding the Fourth Proportional to 18,672.03, 25,767.07 and 10,174.21

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Solution

The fourth proportional to 18,672.03, 25,767.07 and 10,174.21 is: 14,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672.03 : 25,767.07 = 10,174.21 : x
  2. Step 2: Convert to fraction form
    18,672.03/25,767.07 = 10,174.21/x
  3. Step 3: Cross multiply
    18,672.03x = 25,767.07 × 10,174.21
  4. Step 4: Simplify right side
    18,672.03x = 262,159,592.50
  5. Step 5: Solve for x
    x = 262,159,592.50/18,672.03
  6. Step 6: Final answer
    x = 14,040.23

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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.