Home / 13,928.50-20,892.73-4,068.58

Finding the Fourth Proportional to 13,928.50, 20,892.73 and 4,068.58

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Solution

The fourth proportional to 13,928.50, 20,892.73 and 4,068.58 is: 6,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.50 : 20,892.73 = 4,068.58 : x
  2. Step 2: Convert to fraction form
    13,928.50/20,892.73 = 4,068.58/x
  3. Step 3: Cross multiply
    13,928.50x = 20,892.73 × 4,068.58
  4. Step 4: Simplify right side
    13,928.50x = 85,003,743.42
  5. Step 5: Solve for x
    x = 85,003,743.42/13,928.50
  6. Step 6: Final answer
    x = 6,102.86

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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.