Home / 19,057.72-26,308.78-12,694.90

Finding the Fourth Proportional to 19,057.72, 26,308.78 and 12,694.90

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Solution

The fourth proportional to 19,057.72, 26,308.78 and 12,694.90 is: 17,525.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.72 : 26,308.78 = 12,694.90 : x
  2. Step 2: Convert to fraction form
    19,057.72/26,308.78 = 12,694.90/x
  3. Step 3: Cross multiply
    19,057.72x = 26,308.78 × 12,694.90
  4. Step 4: Simplify right side
    19,057.72x = 333,987,331.22
  5. Step 5: Solve for x
    x = 333,987,331.22/19,057.72
  6. Step 6: Final answer
    x = 17,525.04

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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.