Home / 13,977.97-19,279.51-8,007.46

Finding the Fourth Proportional to 13,977.97, 19,279.51 and 8,007.46

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Solution

The fourth proportional to 13,977.97, 19,279.51 and 8,007.46 is: 11,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.97 : 19,279.51 = 8,007.46 : x
  2. Step 2: Convert to fraction form
    13,977.97/19,279.51 = 8,007.46/x
  3. Step 3: Cross multiply
    13,977.97x = 19,279.51 × 8,007.46
  4. Step 4: Simplify right side
    13,977.97x = 154,379,905.14
  5. Step 5: Solve for x
    x = 154,379,905.14/13,977.97
  6. Step 6: Final answer
    x = 11,044.52

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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.