Home / 14,541.66-21,811.62-5,181.18

Finding the Fourth Proportional to 14,541.66, 21,811.62 and 5,181.18

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Solution

The fourth proportional to 14,541.66, 21,811.62 and 5,181.18 is: 7,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,541.66 : 21,811.62 = 5,181.18 : x
  2. Step 2: Convert to fraction form
    14,541.66/21,811.62 = 5,181.18/x
  3. Step 3: Cross multiply
    14,541.66x = 21,811.62 × 5,181.18
  4. Step 4: Simplify right side
    14,541.66x = 113,009,975.07
  5. Step 5: Solve for x
    x = 113,009,975.07/14,541.66
  6. Step 6: Final answer
    x = 7,771.46

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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.