Home / 14,108.96-21,155.34-4,245.32

Finding the Fourth Proportional to 14,108.96, 21,155.34 and 4,245.32

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Solution

The fourth proportional to 14,108.96, 21,155.34 and 4,245.32 is: 6,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.96 : 21,155.34 = 4,245.32 : x
  2. Step 2: Convert to fraction form
    14,108.96/21,155.34 = 4,245.32/x
  3. Step 3: Cross multiply
    14,108.96x = 21,155.34 × 4,245.32
  4. Step 4: Simplify right side
    14,108.96x = 89,811,188.01
  5. Step 5: Solve for x
    x = 89,811,188.01/14,108.96
  6. Step 6: Final answer
    x = 6,365.54

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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.