Home / 13,910.84-19,196.90-7,623.24

Finding the Fourth Proportional to 13,910.84, 19,196.90 and 7,623.24

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Solution

The fourth proportional to 13,910.84, 19,196.90 and 7,623.24 is: 10,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.84 : 19,196.90 = 7,623.24 : x
  2. Step 2: Convert to fraction form
    13,910.84/19,196.90 = 7,623.24/x
  3. Step 3: Cross multiply
    13,910.84x = 19,196.90 × 7,623.24
  4. Step 4: Simplify right side
    13,910.84x = 146,342,575.96
  5. Step 5: Solve for x
    x = 146,342,575.96/13,910.84
  6. Step 6: Final answer
    x = 10,520.04

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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.