Home / 27,177.18-37,487.25-19,634.60

Finding the Fourth Proportional to 27,177.18, 37,487.25 and 19,634.60

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Solution

The fourth proportional to 27,177.18, 37,487.25 and 19,634.60 is: 27,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,177.18 : 37,487.25 = 19,634.60 : x
  2. Step 2: Convert to fraction form
    27,177.18/37,487.25 = 19,634.60/x
  3. Step 3: Cross multiply
    27,177.18x = 37,487.25 × 19,634.60
  4. Step 4: Simplify right side
    27,177.18x = 736,046,971.41
  5. Step 5: Solve for x
    x = 736,046,971.41/27,177.18
  6. Step 6: Final answer
    x = 27,083.27

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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.