Home / 13,910.97-19,197.63-7,623.35

Finding the Fourth Proportional to 13,910.97, 19,197.63 and 7,623.35

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Solution

The fourth proportional to 13,910.97, 19,197.63 and 7,623.35 is: 10,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.97 : 19,197.63 = 7,623.35 : x
  2. Step 2: Convert to fraction form
    13,910.97/19,197.63 = 7,623.35/x
  3. Step 3: Cross multiply
    13,910.97x = 19,197.63 × 7,623.35
  4. Step 4: Simplify right side
    13,910.97x = 146,350,156.67
  5. Step 5: Solve for x
    x = 146,350,156.67/13,910.97
  6. Step 6: Final answer
    x = 10,520.49

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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.