Home / 13,055.04-19,583.20-4,171.36

Finding the Fourth Proportional to 13,055.04, 19,583.20 and 4,171.36

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Solution

The fourth proportional to 13,055.04, 19,583.20 and 4,171.36 is: 6,257.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.04 : 19,583.20 = 4,171.36 : x
  2. Step 2: Convert to fraction form
    13,055.04/19,583.20 = 4,171.36/x
  3. Step 3: Cross multiply
    13,055.04x = 19,583.20 × 4,171.36
  4. Step 4: Simplify right side
    13,055.04x = 81,688,577.15
  5. Step 5: Solve for x
    x = 81,688,577.15/13,055.04
  6. Step 6: Final answer
    x = 6,257.24

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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.