Home / 19,190.70-26,485.12-10,694.21

Finding the Fourth Proportional to 19,190.70, 26,485.12 and 10,694.21

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Solution

The fourth proportional to 19,190.70, 26,485.12 and 10,694.21 is: 14,759.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.70 : 26,485.12 = 10,694.21 : x
  2. Step 2: Convert to fraction form
    19,190.70/26,485.12 = 10,694.21/x
  3. Step 3: Cross multiply
    19,190.70x = 26,485.12 × 10,694.21
  4. Step 4: Simplify right side
    19,190.70x = 283,237,350.48
  5. Step 5: Solve for x
    x = 283,237,350.48/19,190.70
  6. Step 6: Final answer
    x = 14,759.09

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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.