Home / 18,256.97-27,374.01-8,383.58

Finding the Fourth Proportional to 18,256.97, 27,374.01 and 8,383.58

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Solution

The fourth proportional to 18,256.97, 27,374.01 and 8,383.58 is: 12,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.97 : 27,374.01 = 8,383.58 : x
  2. Step 2: Convert to fraction form
    18,256.97/27,374.01 = 8,383.58/x
  3. Step 3: Cross multiply
    18,256.97x = 27,374.01 × 8,383.58
  4. Step 4: Simplify right side
    18,256.97x = 229,492,202.76
  5. Step 5: Solve for x
    x = 229,492,202.76/18,256.97
  6. Step 6: Final answer
    x = 12,570.11

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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.