Home / 13,923.16-19,213.74-7,635.60

Finding the Fourth Proportional to 13,923.16, 19,213.74 and 7,635.60

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Solution

The fourth proportional to 13,923.16, 19,213.74 and 7,635.60 is: 10,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.16 : 19,213.74 = 7,635.60 : x
  2. Step 2: Convert to fraction form
    13,923.16/19,213.74 = 7,635.60/x
  3. Step 3: Cross multiply
    13,923.16x = 19,213.74 × 7,635.60
  4. Step 4: Simplify right side
    13,923.16x = 146,708,433.14
  5. Step 5: Solve for x
    x = 146,708,433.14/13,923.16
  6. Step 6: Final answer
    x = 10,537.01

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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.