Home / 14,571.21-21,856.79-6,245.84

Finding the Fourth Proportional to 14,571.21, 21,856.79 and 6,245.84

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Solution

The fourth proportional to 14,571.21, 21,856.79 and 6,245.84 is: 9,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.21 : 21,856.79 = 6,245.84 : x
  2. Step 2: Convert to fraction form
    14,571.21/21,856.79 = 6,245.84/x
  3. Step 3: Cross multiply
    14,571.21x = 21,856.79 × 6,245.84
  4. Step 4: Simplify right side
    14,571.21x = 136,513,872.74
  5. Step 5: Solve for x
    x = 136,513,872.74/14,571.21
  6. Step 6: Final answer
    x = 9,368.74

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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.