Home / 14,120.66-21,177.42-5,802.97

Finding the Fourth Proportional to 14,120.66, 21,177.42 and 5,802.97

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Solution

The fourth proportional to 14,120.66, 21,177.42 and 5,802.97 is: 8,702.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.66 : 21,177.42 = 5,802.97 : x
  2. Step 2: Convert to fraction form
    14,120.66/21,177.42 = 5,802.97/x
  3. Step 3: Cross multiply
    14,120.66x = 21,177.42 × 5,802.97
  4. Step 4: Simplify right side
    14,120.66x = 122,891,879.99
  5. Step 5: Solve for x
    x = 122,891,879.99/14,120.66
  6. Step 6: Final answer
    x = 8,702.99

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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.