Home / 14,119.92-21,172.59-5,798.39

Finding the Fourth Proportional to 14,119.92, 21,172.59 and 5,798.39

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Solution

The fourth proportional to 14,119.92, 21,172.59 and 5,798.39 is: 8,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.92 : 21,172.59 = 5,798.39 : x
  2. Step 2: Convert to fraction form
    14,119.92/21,172.59 = 5,798.39/x
  3. Step 3: Cross multiply
    14,119.92x = 21,172.59 × 5,798.39
  4. Step 4: Simplify right side
    14,119.92x = 122,766,828.27
  5. Step 5: Solve for x
    x = 122,766,828.27/14,119.92
  6. Step 6: Final answer
    x = 8,694.58

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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.