Home / 13,336.44-18,406.92-7,956.19

Finding the Fourth Proportional to 13,336.44, 18,406.92 and 7,956.19

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Solution

The fourth proportional to 13,336.44, 18,406.92 and 7,956.19 is: 10,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.44 : 18,406.92 = 7,956.19 : x
  2. Step 2: Convert to fraction form
    13,336.44/18,406.92 = 7,956.19/x
  3. Step 3: Cross multiply
    13,336.44x = 18,406.92 × 7,956.19
  4. Step 4: Simplify right side
    13,336.44x = 146,448,842.47
  5. Step 5: Solve for x
    x = 146,448,842.47/13,336.44
  6. Step 6: Final answer
    x = 10,981.10

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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.