Home / 27,556.25-38,027.67-14,981

Finding the Fourth Proportional to 27,556.25, 38,027.67 and 14,981

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Solution

The fourth proportional to 27,556.25, 38,027.67 and 14,981 is: 20,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.25 : 38,027.67 = 14,981 : x
  2. Step 2: Convert to fraction form
    27,556.25/38,027.67 = 14,981/x
  3. Step 3: Cross multiply
    27,556.25x = 38,027.67 × 14,981
  4. Step 4: Simplify right side
    27,556.25x = 569,692,524.27
  5. Step 5: Solve for x
    x = 569,692,524.27/27,556.25
  6. Step 6: Final answer
    x = 20,673.80

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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.