Home / 14,226.94-19,639.82-8,257.45

Finding the Fourth Proportional to 14,226.94, 19,639.82 and 8,257.45

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Solution

The fourth proportional to 14,226.94, 19,639.82 and 8,257.45 is: 11,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.94 : 19,639.82 = 8,257.45 : x
  2. Step 2: Convert to fraction form
    14,226.94/19,639.82 = 8,257.45/x
  3. Step 3: Cross multiply
    14,226.94x = 19,639.82 × 8,257.45
  4. Step 4: Simplify right side
    14,226.94x = 162,174,831.66
  5. Step 5: Solve for x
    x = 162,174,831.66/14,226.94
  6. Step 6: Final answer
    x = 11,399.14

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1.5x scale

Why These Related Problems?

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