Home / 14,059.78-21,089.67-3,671.54

Finding the Fourth Proportional to 14,059.78, 21,089.67 and 3,671.54

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Solution

The fourth proportional to 14,059.78, 21,089.67 and 3,671.54 is: 5,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.78 : 21,089.67 = 3,671.54 : x
  2. Step 2: Convert to fraction form
    14,059.78/21,089.67 = 3,671.54/x
  3. Step 3: Cross multiply
    14,059.78x = 21,089.67 × 3,671.54
  4. Step 4: Simplify right side
    14,059.78x = 77,431,566.99
  5. Step 5: Solve for x
    x = 77,431,566.99/14,059.78
  6. Step 6: Final answer
    x = 5,507.31

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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.