Home / 14,039.36-21,059.12-3,651.12

Finding the Fourth Proportional to 14,039.36, 21,059.12 and 3,651.12

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Solution

The fourth proportional to 14,039.36, 21,059.12 and 3,651.12 is: 5,476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.36 : 21,059.12 = 3,651.12 : x
  2. Step 2: Convert to fraction form
    14,039.36/21,059.12 = 3,651.12/x
  3. Step 3: Cross multiply
    14,039.36x = 21,059.12 × 3,651.12
  4. Step 4: Simplify right side
    14,039.36x = 76,889,374.21
  5. Step 5: Solve for x
    x = 76,889,374.21/14,039.36
  6. Step 6: Final answer
    x = 5,476.70

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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.