Home / 13,966.65-20,956.80-6,571.84

Finding the Fourth Proportional to 13,966.65, 20,956.80 and 6,571.84

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Solution

The fourth proportional to 13,966.65, 20,956.80 and 6,571.84 is: 9,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.65 : 20,956.80 = 6,571.84 : x
  2. Step 2: Convert to fraction form
    13,966.65/20,956.80 = 6,571.84/x
  3. Step 3: Cross multiply
    13,966.65x = 20,956.80 × 6,571.84
  4. Step 4: Simplify right side
    13,966.65x = 137,724,736.51
  5. Step 5: Solve for x
    x = 137,724,736.51/13,966.65
  6. Step 6: Final answer
    x = 9,860.97

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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.