Home / 14,223.97-19,631.48-8,260.63

Finding the Fourth Proportional to 14,223.97, 19,631.48 and 8,260.63

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Solution

The fourth proportional to 14,223.97, 19,631.48 and 8,260.63 is: 11,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.97 : 19,631.48 = 8,260.63 : x
  2. Step 2: Convert to fraction form
    14,223.97/19,631.48 = 8,260.63/x
  3. Step 3: Cross multiply
    14,223.97x = 19,631.48 × 8,260.63
  4. Step 4: Simplify right side
    14,223.97x = 162,168,351.33
  5. Step 5: Solve for x
    x = 162,168,351.33/14,223.97
  6. Step 6: Final answer
    x = 11,401.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.