Home / 14,180.49-21,270.74-5,416.29

Finding the Fourth Proportional to 14,180.49, 21,270.74 and 5,416.29

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Solution

The fourth proportional to 14,180.49, 21,270.74 and 5,416.29 is: 8,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.49 : 21,270.74 = 5,416.29 : x
  2. Step 2: Convert to fraction form
    14,180.49/21,270.74 = 5,416.29/x
  3. Step 3: Cross multiply
    14,180.49x = 21,270.74 × 5,416.29
  4. Step 4: Simplify right side
    14,180.49x = 115,208,469.27
  5. Step 5: Solve for x
    x = 115,208,469.27/14,180.49
  6. Step 6: Final answer
    x = 8,124.44

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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.