Home / 12,632.22-18,947.43-3,866.67

Finding the Fourth Proportional to 12,632.22, 18,947.43 and 3,866.67

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Solution

The fourth proportional to 12,632.22, 18,947.43 and 3,866.67 is: 5,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.22 : 18,947.43 = 3,866.67 : x
  2. Step 2: Convert to fraction form
    12,632.22/18,947.43 = 3,866.67/x
  3. Step 3: Cross multiply
    12,632.22x = 18,947.43 × 3,866.67
  4. Step 4: Simplify right side
    12,632.22x = 73,263,459.16
  5. Step 5: Solve for x
    x = 73,263,459.16/12,632.22
  6. Step 6: Final answer
    x = 5,799.73

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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.