Home / 18,455.73-27,682.62-5,307.58

Finding the Fourth Proportional to 18,455.73, 27,682.62 and 5,307.58

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Solution

The fourth proportional to 18,455.73, 27,682.62 and 5,307.58 is: 7,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.73 : 27,682.62 = 5,307.58 : x
  2. Step 2: Convert to fraction form
    18,455.73/27,682.62 = 5,307.58/x
  3. Step 3: Cross multiply
    18,455.73x = 27,682.62 × 5,307.58
  4. Step 4: Simplify right side
    18,455.73x = 146,927,720.26
  5. Step 5: Solve for x
    x = 146,927,720.26/18,455.73
  6. Step 6: Final answer
    x = 7,961.09

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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.