Home / 12,927.96-19,393.68-4,160.76

Finding the Fourth Proportional to 12,927.96, 19,393.68 and 4,160.76

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Solution

The fourth proportional to 12,927.96, 19,393.68 and 4,160.76 is: 6,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.96 : 19,393.68 = 4,160.76 : x
  2. Step 2: Convert to fraction form
    12,927.96/19,393.68 = 4,160.76/x
  3. Step 3: Cross multiply
    12,927.96x = 19,393.68 × 4,160.76
  4. Step 4: Simplify right side
    12,927.96x = 80,692,448.00
  5. Step 5: Solve for x
    x = 80,692,448.00/12,927.96
  6. Step 6: Final answer
    x = 6,241.70

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1.5x scale

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.