Home / 12,935.17-19,405.23-4,167.73

Finding the Fourth Proportional to 12,935.17, 19,405.23 and 4,167.73

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Solution

The fourth proportional to 12,935.17, 19,405.23 and 4,167.73 is: 6,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.17 : 19,405.23 = 4,167.73 : x
  2. Step 2: Convert to fraction form
    12,935.17/19,405.23 = 4,167.73/x
  3. Step 3: Cross multiply
    12,935.17x = 19,405.23 × 4,167.73
  4. Step 4: Simplify right side
    12,935.17x = 80,875,759.23
  5. Step 5: Solve for x
    x = 80,875,759.23/12,935.17
  6. Step 6: Final answer
    x = 6,252.39

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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.