Home / 14,181.15-21,269.89-4,820.79

Finding the Fourth Proportional to 14,181.15, 21,269.89 and 4,820.79

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Solution

The fourth proportional to 14,181.15, 21,269.89 and 4,820.79 is: 7,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.15 : 21,269.89 = 4,820.79 : x
  2. Step 2: Convert to fraction form
    14,181.15/21,269.89 = 4,820.79/x
  3. Step 3: Cross multiply
    14,181.15x = 21,269.89 × 4,820.79
  4. Step 4: Simplify right side
    14,181.15x = 102,537,673.01
  5. Step 5: Solve for x
    x = 102,537,673.01/14,181.15
  6. Step 6: Final answer
    x = 7,230.56

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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.