Home / 13,961.20-19,266.84-7,674.16

Finding the Fourth Proportional to 13,961.20, 19,266.84 and 7,674.16

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Solution

The fourth proportional to 13,961.20, 19,266.84 and 7,674.16 is: 10,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.20 : 19,266.84 = 7,674.16 : x
  2. Step 2: Convert to fraction form
    13,961.20/19,266.84 = 7,674.16/x
  3. Step 3: Cross multiply
    13,961.20x = 19,266.84 × 7,674.16
  4. Step 4: Simplify right side
    13,961.20x = 147,856,812.85
  5. Step 5: Solve for x
    x = 147,856,812.85/13,961.20
  6. Step 6: Final answer
    x = 10,590.55

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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.