Home / 18,262.89-27,383.77-7,156.58

Finding the Fourth Proportional to 18,262.89, 27,383.77 and 7,156.58

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Solution

The fourth proportional to 18,262.89, 27,383.77 and 7,156.58 is: 10,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.89 : 27,383.77 = 7,156.58 : x
  2. Step 2: Convert to fraction form
    18,262.89/27,383.77 = 7,156.58/x
  3. Step 3: Cross multiply
    18,262.89x = 27,383.77 × 7,156.58
  4. Step 4: Simplify right side
    18,262.89x = 195,973,968.00
  5. Step 5: Solve for x
    x = 195,973,968.00/18,262.89
  6. Step 6: Final answer
    x = 10,730.72

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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.