Home / 13,736.62-18,956.37-7,448.92

Finding the Fourth Proportional to 13,736.62, 18,956.37 and 7,448.92

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Solution

The fourth proportional to 13,736.62, 18,956.37 and 7,448.92 is: 10,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.62 : 18,956.37 = 7,448.92 : x
  2. Step 2: Convert to fraction form
    13,736.62/18,956.37 = 7,448.92/x
  3. Step 3: Cross multiply
    13,736.62x = 18,956.37 × 7,448.92
  4. Step 4: Simplify right side
    13,736.62x = 141,204,483.62
  5. Step 5: Solve for x
    x = 141,204,483.62/13,736.62
  6. Step 6: Final answer
    x = 10,279.42

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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.