Home / 21,096.19-29,113.65-11,664.75

Finding the Fourth Proportional to 21,096.19, 29,113.65 and 11,664.75

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Solution

The fourth proportional to 21,096.19, 29,113.65 and 11,664.75 is: 16,097.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096.19 : 29,113.65 = 11,664.75 : x
  2. Step 2: Convert to fraction form
    21,096.19/29,113.65 = 11,664.75/x
  3. Step 3: Cross multiply
    21,096.19x = 29,113.65 × 11,664.75
  4. Step 4: Simplify right side
    21,096.19x = 339,603,448.84
  5. Step 5: Solve for x
    x = 339,603,448.84/21,096.19
  6. Step 6: Final answer
    x = 16,097.86

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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.