Home / 27,742.73-41,643.71-11,955.54

Finding the Fourth Proportional to 27,742.73, 41,643.71 and 11,955.54

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Solution

The fourth proportional to 27,742.73, 41,643.71 and 11,955.54 is: 17,946.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.73 : 41,643.71 = 11,955.54 : x
  2. Step 2: Convert to fraction form
    27,742.73/41,643.71 = 11,955.54/x
  3. Step 3: Cross multiply
    27,742.73x = 41,643.71 × 11,955.54
  4. Step 4: Simplify right side
    27,742.73x = 497,872,980.88
  5. Step 5: Solve for x
    x = 497,872,980.88/27,742.73
  6. Step 6: Final answer
    x = 17,946.07

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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.