Home / 13,596.74-18,763.79-7,628.84

Finding the Fourth Proportional to 13,596.74, 18,763.79 and 7,628.84

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Solution

The fourth proportional to 13,596.74, 18,763.79 and 7,628.84 is: 10,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.74 : 18,763.79 = 7,628.84 : x
  2. Step 2: Convert to fraction form
    13,596.74/18,763.79 = 7,628.84/x
  3. Step 3: Cross multiply
    13,596.74x = 18,763.79 × 7,628.84
  4. Step 4: Simplify right side
    13,596.74x = 143,145,819.74
  5. Step 5: Solve for x
    x = 143,145,819.74/13,596.74
  6. Step 6: Final answer
    x = 10,527.96

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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.