Home / 13,712.37-18,932.28-12,770.64

Finding the Fourth Proportional to 13,712.37, 18,932.28 and 12,770.64

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Solution

The fourth proportional to 13,712.37, 18,932.28 and 12,770.64 is: 17,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.37 : 18,932.28 = 12,770.64 : x
  2. Step 2: Convert to fraction form
    13,712.37/18,932.28 = 12,770.64/x
  3. Step 3: Cross multiply
    13,712.37x = 18,932.28 × 12,770.64
  4. Step 4: Simplify right side
    13,712.37x = 241,777,332.26
  5. Step 5: Solve for x
    x = 241,777,332.26/13,712.37
  6. Step 6: Final answer
    x = 17,632.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.