Home / 13,824.74-19,072.14-8,786.27

Finding the Fourth Proportional to 13,824.74, 19,072.14 and 8,786.27

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Solution

The fourth proportional to 13,824.74, 19,072.14 and 8,786.27 is: 12,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.74 : 19,072.14 = 8,786.27 : x
  2. Step 2: Convert to fraction form
    13,824.74/19,072.14 = 8,786.27/x
  3. Step 3: Cross multiply
    13,824.74x = 19,072.14 × 8,786.27
  4. Step 4: Simplify right side
    13,824.74x = 167,572,876.16
  5. Step 5: Solve for x
    x = 167,572,876.16/13,824.74
  6. Step 6: Final answer
    x = 12,121.23

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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.