Home / 18,666.26-25,759.38-10,168.85

Finding the Fourth Proportional to 18,666.26, 25,759.38 and 10,168.85

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Solution

The fourth proportional to 18,666.26, 25,759.38 and 10,168.85 is: 14,032.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.26 : 25,759.38 = 10,168.85 : x
  2. Step 2: Convert to fraction form
    18,666.26/25,759.38 = 10,168.85/x
  3. Step 3: Cross multiply
    18,666.26x = 25,759.38 × 10,168.85
  4. Step 4: Simplify right side
    18,666.26x = 261,943,271.31
  5. Step 5: Solve for x
    x = 261,943,271.31/18,666.26
  6. Step 6: Final answer
    x = 14,032.98

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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.