Home / 13,632.57-20,449.05-8,982.36

Finding the Fourth Proportional to 13,632.57, 20,449.05 and 8,982.36

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Solution

The fourth proportional to 13,632.57, 20,449.05 and 8,982.36 is: 13,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.57 : 20,449.05 = 8,982.36 : x
  2. Step 2: Convert to fraction form
    13,632.57/20,449.05 = 8,982.36/x
  3. Step 3: Cross multiply
    13,632.57x = 20,449.05 × 8,982.36
  4. Step 4: Simplify right side
    13,632.57x = 183,680,728.76
  5. Step 5: Solve for x
    x = 183,680,728.76/13,632.57
  6. Step 6: Final answer
    x = 13,473.67

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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.