Home / 13,926.96-20,890.28-4,699.44

Finding the Fourth Proportional to 13,926.96, 20,890.28 and 4,699.44

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Solution

The fourth proportional to 13,926.96, 20,890.28 and 4,699.44 is: 7,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.96 : 20,890.28 = 4,699.44 : x
  2. Step 2: Convert to fraction form
    13,926.96/20,890.28 = 4,699.44/x
  3. Step 3: Cross multiply
    13,926.96x = 20,890.28 × 4,699.44
  4. Step 4: Simplify right side
    13,926.96x = 98,172,617.44
  5. Step 5: Solve for x
    x = 98,172,617.44/13,926.96
  6. Step 6: Final answer
    x = 7,049.11

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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.