Home / 17,628.07-26,439.50-5,144.75

Finding the Fourth Proportional to 17,628.07, 26,439.50 and 5,144.75

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Solution

The fourth proportional to 17,628.07, 26,439.50 and 5,144.75 is: 7,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.07 : 26,439.50 = 5,144.75 : x
  2. Step 2: Convert to fraction form
    17,628.07/26,439.50 = 5,144.75/x
  3. Step 3: Cross multiply
    17,628.07x = 26,439.50 × 5,144.75
  4. Step 4: Simplify right side
    17,628.07x = 136,024,617.63
  5. Step 5: Solve for x
    x = 136,024,617.63/17,628.07
  6. Step 6: Final answer
    x = 7,716.36

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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.