Home / 21,047.88-29,036.97-12,093.33

Finding the Fourth Proportional to 21,047.88, 29,036.97 and 12,093.33

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Solution

The fourth proportional to 21,047.88, 29,036.97 and 12,093.33 is: 16,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,047.88 : 29,036.97 = 12,093.33 : x
  2. Step 2: Convert to fraction form
    21,047.88/29,036.97 = 12,093.33/x
  3. Step 3: Cross multiply
    21,047.88x = 29,036.97 × 12,093.33
  4. Step 4: Simplify right side
    21,047.88x = 351,153,660.41
  5. Step 5: Solve for x
    x = 351,153,660.41/21,047.88
  6. Step 6: Final answer
    x = 16,683.56

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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.