Home / 13,961.38-19,266.70-7,674.16

Finding the Fourth Proportional to 13,961.38, 19,266.70 and 7,674.16

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Solution

The fourth proportional to 13,961.38, 19,266.70 and 7,674.16 is: 10,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.38 : 19,266.70 = 7,674.16 : x
  2. Step 2: Convert to fraction form
    13,961.38/19,266.70 = 7,674.16/x
  3. Step 3: Cross multiply
    13,961.38x = 19,266.70 × 7,674.16
  4. Step 4: Simplify right side
    13,961.38x = 147,855,738.47
  5. Step 5: Solve for x
    x = 147,855,738.47/13,961.38
  6. Step 6: Final answer
    x = 10,590.34

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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.