Home / 15,551.36-23,336.88-8,161.14

Finding the Fourth Proportional to 15,551.36, 23,336.88 and 8,161.14

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Solution

The fourth proportional to 15,551.36, 23,336.88 and 8,161.14 is: 12,246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.36 : 23,336.88 = 8,161.14 : x
  2. Step 2: Convert to fraction form
    15,551.36/23,336.88 = 8,161.14/x
  3. Step 3: Cross multiply
    15,551.36x = 23,336.88 × 8,161.14
  4. Step 4: Simplify right side
    15,551.36x = 190,455,544.84
  5. Step 5: Solve for x
    x = 190,455,544.84/15,551.36
  6. Step 6: Final answer
    x = 12,246.87

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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.