Home / 13,287.31-19,917.29-5,895.25

Finding the Fourth Proportional to 13,287.31, 19,917.29 and 5,895.25

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Solution

The fourth proportional to 13,287.31, 19,917.29 and 5,895.25 is: 8,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.31 : 19,917.29 = 5,895.25 : x
  2. Step 2: Convert to fraction form
    13,287.31/19,917.29 = 5,895.25/x
  3. Step 3: Cross multiply
    13,287.31x = 19,917.29 × 5,895.25
  4. Step 4: Simplify right side
    13,287.31x = 117,417,403.87
  5. Step 5: Solve for x
    x = 117,417,403.87/13,287.31
  6. Step 6: Final answer
    x = 8,836.81

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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.