Home / 13,836.64-19,091.71-8,799.04

Finding the Fourth Proportional to 13,836.64, 19,091.71 and 8,799.04

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Solution

The fourth proportional to 13,836.64, 19,091.71 and 8,799.04 is: 12,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.64 : 19,091.71 = 8,799.04 : x
  2. Step 2: Convert to fraction form
    13,836.64/19,091.71 = 8,799.04/x
  3. Step 3: Cross multiply
    13,836.64x = 19,091.71 × 8,799.04
  4. Step 4: Simplify right side
    13,836.64x = 167,988,719.96
  5. Step 5: Solve for x
    x = 167,988,719.96/13,836.64
  6. Step 6: Final answer
    x = 12,140.86

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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.