Home / 19,905.47-29,853.39-5,861.67

Finding the Fourth Proportional to 19,905.47, 29,853.39 and 5,861.67

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Solution

The fourth proportional to 19,905.47, 29,853.39 and 5,861.67 is: 8,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.47 : 29,853.39 = 5,861.67 : x
  2. Step 2: Convert to fraction form
    19,905.47/29,853.39 = 5,861.67/x
  3. Step 3: Cross multiply
    19,905.47x = 29,853.39 × 5,861.67
  4. Step 4: Simplify right side
    19,905.47x = 174,990,720.56
  5. Step 5: Solve for x
    x = 174,990,720.56/19,905.47
  6. Step 6: Final answer
    x = 8,791.09

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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.