Home / 13,614.22-20,423.28-4,847.05

Finding the Fourth Proportional to 13,614.22, 20,423.28 and 4,847.05

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Solution

The fourth proportional to 13,614.22, 20,423.28 and 4,847.05 is: 7,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.22 : 20,423.28 = 4,847.05 : x
  2. Step 2: Convert to fraction form
    13,614.22/20,423.28 = 4,847.05/x
  3. Step 3: Cross multiply
    13,614.22x = 20,423.28 × 4,847.05
  4. Step 4: Simplify right side
    13,614.22x = 98,992,659.32
  5. Step 5: Solve for x
    x = 98,992,659.32/13,614.22
  6. Step 6: Final answer
    x = 7,271.27

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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.