Home / 13,928.32-20,892.58-4,074.48

Finding the Fourth Proportional to 13,928.32, 20,892.58 and 4,074.48

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Solution

The fourth proportional to 13,928.32, 20,892.58 and 4,074.48 is: 6,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.32 : 20,892.58 = 4,074.48 : x
  2. Step 2: Convert to fraction form
    13,928.32/20,892.58 = 4,074.48/x
  3. Step 3: Cross multiply
    13,928.32x = 20,892.58 × 4,074.48
  4. Step 4: Simplify right side
    13,928.32x = 85,126,399.36
  5. Step 5: Solve for x
    x = 85,126,399.36/13,928.32
  6. Step 6: Final answer
    x = 6,111.75

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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.