Home / 13,134.01-19,684.60-5,228.41

Finding the Fourth Proportional to 13,134.01, 19,684.60 and 5,228.41

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Solution

The fourth proportional to 13,134.01, 19,684.60 and 5,228.41 is: 7,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.01 : 19,684.60 = 5,228.41 : x
  2. Step 2: Convert to fraction form
    13,134.01/19,684.60 = 5,228.41/x
  3. Step 3: Cross multiply
    13,134.01x = 19,684.60 × 5,228.41
  4. Step 4: Simplify right side
    13,134.01x = 102,919,159.49
  5. Step 5: Solve for x
    x = 102,919,159.49/13,134.01
  6. Step 6: Final answer
    x = 7,836.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.