Home / 18,795.06-28,193.27-6,315.49

Finding the Fourth Proportional to 18,795.06, 28,193.27 and 6,315.49

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Solution

The fourth proportional to 18,795.06, 28,193.27 and 6,315.49 is: 9,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.06 : 28,193.27 = 6,315.49 : x
  2. Step 2: Convert to fraction form
    18,795.06/28,193.27 = 6,315.49/x
  3. Step 3: Cross multiply
    18,795.06x = 28,193.27 × 6,315.49
  4. Step 4: Simplify right side
    18,795.06x = 178,054,212.69
  5. Step 5: Solve for x
    x = 178,054,212.69/18,795.06
  6. Step 6: Final answer
    x = 9,473.46

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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.