Home / 14,622.36-20,170.56-8,653.08

Finding the Fourth Proportional to 14,622.36, 20,170.56 and 8,653.08

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Solution

The fourth proportional to 14,622.36, 20,170.56 and 8,653.08 is: 11,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.36 : 20,170.56 = 8,653.08 : x
  2. Step 2: Convert to fraction form
    14,622.36/20,170.56 = 8,653.08/x
  3. Step 3: Cross multiply
    14,622.36x = 20,170.56 × 8,653.08
  4. Step 4: Simplify right side
    14,622.36x = 174,537,469.32
  5. Step 5: Solve for x
    x = 174,537,469.32/14,622.36
  6. Step 6: Final answer
    x = 11,936.34

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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.