Home / 13,910.57-19,197.49-7,622.94

Finding the Fourth Proportional to 13,910.57, 19,197.49 and 7,622.94

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Solution

The fourth proportional to 13,910.57, 19,197.49 and 7,622.94 is: 10,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.57 : 19,197.49 = 7,622.94 : x
  2. Step 2: Convert to fraction form
    13,910.57/19,197.49 = 7,622.94/x
  3. Step 3: Cross multiply
    13,910.57x = 19,197.49 × 7,622.94
  4. Step 4: Simplify right side
    13,910.57x = 146,341,314.42
  5. Step 5: Solve for x
    x = 146,341,314.42/13,910.57
  6. Step 6: Final answer
    x = 10,520.16

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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.