Home / 13,225.12-19,837.79-3,364.41

Finding the Fourth Proportional to 13,225.12, 19,837.79 and 3,364.41

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Solution

The fourth proportional to 13,225.12, 19,837.79 and 3,364.41 is: 5,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.12 : 19,837.79 = 3,364.41 : x
  2. Step 2: Convert to fraction form
    13,225.12/19,837.79 = 3,364.41/x
  3. Step 3: Cross multiply
    13,225.12x = 19,837.79 × 3,364.41
  4. Step 4: Simplify right side
    13,225.12x = 66,742,393.07
  5. Step 5: Solve for x
    x = 66,742,393.07/13,225.12
  6. Step 6: Final answer
    x = 5,046.64

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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.