Home / 13,928.49-20,888.60-4,064.67

Finding the Fourth Proportional to 13,928.49, 20,888.60 and 4,064.67

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Solution

The fourth proportional to 13,928.49, 20,888.60 and 4,064.67 is: 6,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.49 : 20,888.60 = 4,064.67 : x
  2. Step 2: Convert to fraction form
    13,928.49/20,888.60 = 4,064.67/x
  3. Step 3: Cross multiply
    13,928.49x = 20,888.60 × 4,064.67
  4. Step 4: Simplify right side
    13,928.49x = 84,905,245.44
  5. Step 5: Solve for x
    x = 84,905,245.44/13,928.49
  6. Step 6: Final answer
    x = 6,095.80

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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.