Home / 18,898.44-28,353.60-11,410.32

Finding the Fourth Proportional to 18,898.44, 28,353.60 and 11,410.32

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Solution

The fourth proportional to 18,898.44, 28,353.60 and 11,410.32 is: 17,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.44 : 28,353.60 = 11,410.32 : x
  2. Step 2: Convert to fraction form
    18,898.44/28,353.60 = 11,410.32/x
  3. Step 3: Cross multiply
    18,898.44x = 28,353.60 × 11,410.32
  4. Step 4: Simplify right side
    18,898.44x = 323,523,649.15
  5. Step 5: Solve for x
    x = 323,523,649.15/18,898.44
  6. Step 6: Final answer
    x = 17,119.07

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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.