Home / 13,910.94-19,197.10-7,623.32

Finding the Fourth Proportional to 13,910.94, 19,197.10 and 7,623.32

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Solution

The fourth proportional to 13,910.94, 19,197.10 and 7,623.32 is: 10,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.94 : 19,197.10 = 7,623.32 : x
  2. Step 2: Convert to fraction form
    13,910.94/19,197.10 = 7,623.32/x
  3. Step 3: Cross multiply
    13,910.94x = 19,197.10 × 7,623.32
  4. Step 4: Simplify right side
    13,910.94x = 146,345,636.37
  5. Step 5: Solve for x
    x = 146,345,636.37/13,910.94
  6. Step 6: Final answer
    x = 10,520.18

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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.