Home / 13,701.30-20,539.59-4,930.02

Finding the Fourth Proportional to 13,701.30, 20,539.59 and 4,930.02

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Solution

The fourth proportional to 13,701.30, 20,539.59 and 4,930.02 is: 7,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.30 : 20,539.59 = 4,930.02 : x
  2. Step 2: Convert to fraction form
    13,701.30/20,539.59 = 4,930.02/x
  3. Step 3: Cross multiply
    13,701.30x = 20,539.59 × 4,930.02
  4. Step 4: Simplify right side
    13,701.30x = 101,260,589.49
  5. Step 5: Solve for x
    x = 101,260,589.49/13,701.30
  6. Step 6: Final answer
    x = 7,390.58

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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.