Home / 13,720.04-20,580.62-4,836.54

Finding the Fourth Proportional to 13,720.04, 20,580.62 and 4,836.54

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Solution

The fourth proportional to 13,720.04, 20,580.62 and 4,836.54 is: 7,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720.04 : 20,580.62 = 4,836.54 : x
  2. Step 2: Convert to fraction form
    13,720.04/20,580.62 = 4,836.54/x
  3. Step 3: Cross multiply
    13,720.04x = 20,580.62 × 4,836.54
  4. Step 4: Simplify right side
    13,720.04x = 99,539,003.95
  5. Step 5: Solve for x
    x = 99,539,003.95/13,720.04
  6. Step 6: Final answer
    x = 7,255.01

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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.