Home / 13,152.51-19,731.94-4,388.11

Finding the Fourth Proportional to 13,152.51, 19,731.94 and 4,388.11

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Solution

The fourth proportional to 13,152.51, 19,731.94 and 4,388.11 is: 6,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.51 : 19,731.94 = 4,388.11 : x
  2. Step 2: Convert to fraction form
    13,152.51/19,731.94 = 4,388.11/x
  3. Step 3: Cross multiply
    13,152.51x = 19,731.94 × 4,388.11
  4. Step 4: Simplify right side
    13,152.51x = 86,585,862.93
  5. Step 5: Solve for x
    x = 86,585,862.93/13,152.51
  6. Step 6: Final answer
    x = 6,583.22

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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.