Home / 17,229.15-25,828.12-11,966.64

Finding the Fourth Proportional to 17,229.15, 25,828.12 and 11,966.64

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Solution

The fourth proportional to 17,229.15, 25,828.12 and 11,966.64 is: 17,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,229.15 : 25,828.12 = 11,966.64 : x
  2. Step 2: Convert to fraction form
    17,229.15/25,828.12 = 11,966.64/x
  3. Step 3: Cross multiply
    17,229.15x = 25,828.12 × 11,966.64
  4. Step 4: Simplify right side
    17,229.15x = 309,075,754.08
  5. Step 5: Solve for x
    x = 309,075,754.08/17,229.15
  6. Step 6: Final answer
    x = 17,939.12

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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.