Home / 13,485.53-20,237.40-4,720.52

Finding the Fourth Proportional to 13,485.53, 20,237.40 and 4,720.52

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Solution

The fourth proportional to 13,485.53, 20,237.40 and 4,720.52 is: 7,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.53 : 20,237.40 = 4,720.52 : x
  2. Step 2: Convert to fraction form
    13,485.53/20,237.40 = 4,720.52/x
  3. Step 3: Cross multiply
    13,485.53x = 20,237.40 × 4,720.52
  4. Step 4: Simplify right side
    13,485.53x = 95,531,102.04
  5. Step 5: Solve for x
    x = 95,531,102.04/13,485.53
  6. Step 6: Final answer
    x = 7,083.97

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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.