Home / 14,188.37-21,282.45-5,305.94

Finding the Fourth Proportional to 14,188.37, 21,282.45 and 5,305.94

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Solution

The fourth proportional to 14,188.37, 21,282.45 and 5,305.94 is: 7,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.37 : 21,282.45 = 5,305.94 : x
  2. Step 2: Convert to fraction form
    14,188.37/21,282.45 = 5,305.94/x
  3. Step 3: Cross multiply
    14,188.37x = 21,282.45 × 5,305.94
  4. Step 4: Simplify right side
    14,188.37x = 112,923,356.25
  5. Step 5: Solve for x
    x = 112,923,356.25/14,188.37
  6. Step 6: Final answer
    x = 7,958.87

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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.