Home / 13,351.26-18,424.59-7,383.06

Finding the Fourth Proportional to 13,351.26, 18,424.59 and 7,383.06

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Solution

The fourth proportional to 13,351.26, 18,424.59 and 7,383.06 is: 10,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.26 : 18,424.59 = 7,383.06 : x
  2. Step 2: Convert to fraction form
    13,351.26/18,424.59 = 7,383.06/x
  3. Step 3: Cross multiply
    13,351.26x = 18,424.59 × 7,383.06
  4. Step 4: Simplify right side
    13,351.26x = 136,029,853.45
  5. Step 5: Solve for x
    x = 136,029,853.45/13,351.26
  6. Step 6: Final answer
    x = 10,188.54

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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.