Home / 13,712.37-20,570.26-4,825.60

Finding the Fourth Proportional to 13,712.37, 20,570.26 and 4,825.60

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Solution

The fourth proportional to 13,712.37, 20,570.26 and 4,825.60 is: 7,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.37 : 20,570.26 = 4,825.60 : x
  2. Step 2: Convert to fraction form
    13,712.37/20,570.26 = 4,825.60/x
  3. Step 3: Cross multiply
    13,712.37x = 20,570.26 × 4,825.60
  4. Step 4: Simplify right side
    13,712.37x = 99,263,846.66
  5. Step 5: Solve for x
    x = 99,263,846.66/13,712.37
  6. Step 6: Final answer
    x = 7,239.00

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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.