Home / 13,792.88-19,034.32-7,505.26

Finding the Fourth Proportional to 13,792.88, 19,034.32 and 7,505.26

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Solution

The fourth proportional to 13,792.88, 19,034.32 and 7,505.26 is: 10,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.88 : 19,034.32 = 7,505.26 : x
  2. Step 2: Convert to fraction form
    13,792.88/19,034.32 = 7,505.26/x
  3. Step 3: Cross multiply
    13,792.88x = 19,034.32 × 7,505.26
  4. Step 4: Simplify right side
    13,792.88x = 142,857,520.52
  5. Step 5: Solve for x
    x = 142,857,520.52/13,792.88
  6. Step 6: Final answer
    x = 10,357.34

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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.