Home / 14,078.81-21,110.02-6,181.01

Finding the Fourth Proportional to 14,078.81, 21,110.02 and 6,181.01

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Solution

The fourth proportional to 14,078.81, 21,110.02 and 6,181.01 is: 9,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.81 : 21,110.02 = 6,181.01 : x
  2. Step 2: Convert to fraction form
    14,078.81/21,110.02 = 6,181.01/x
  3. Step 3: Cross multiply
    14,078.81x = 21,110.02 × 6,181.01
  4. Step 4: Simplify right side
    14,078.81x = 130,481,202.88
  5. Step 5: Solve for x
    x = 130,481,202.88/14,078.81
  6. Step 6: Final answer
    x = 9,267.91

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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.