Home / 13,461.14-20,185.55-4,694.00

Finding the Fourth Proportional to 13,461.14, 20,185.55 and 4,694.00

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Solution

The fourth proportional to 13,461.14, 20,185.55 and 4,694.00 is: 7,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.14 : 20,185.55 = 4,694.00 : x
  2. Step 2: Convert to fraction form
    13,461.14/20,185.55 = 4,694.00/x
  3. Step 3: Cross multiply
    13,461.14x = 20,185.55 × 4,694.00
  4. Step 4: Simplify right side
    13,461.14x = 94,751,004.85
  5. Step 5: Solve for x
    x = 94,751,004.85/13,461.14
  6. Step 6: Final answer
    x = 7,038.86

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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.