Home / 19,629.75-27,096-11,671.93

Finding the Fourth Proportional to 19,629.75, 27,096 and 11,671.93

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Solution

The fourth proportional to 19,629.75, 27,096 and 11,671.93 is: 16,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.75 : 27,096 = 11,671.93 : x
  2. Step 2: Convert to fraction form
    19,629.75/27,096 = 11,671.93/x
  3. Step 3: Cross multiply
    19,629.75x = 27,096 × 11,671.93
  4. Step 4: Simplify right side
    19,629.75x = 316,262,615.28
  5. Step 5: Solve for x
    x = 316,262,615.28/19,629.75
  6. Step 6: Final answer
    x = 16,111.39

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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.