Home / 14,120.26-19,485.93-7,659.94

Finding the Fourth Proportional to 14,120.26, 19,485.93 and 7,659.94

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Solution

The fourth proportional to 14,120.26, 19,485.93 and 7,659.94 is: 10,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.26 : 19,485.93 = 7,659.94 : x
  2. Step 2: Convert to fraction form
    14,120.26/19,485.93 = 7,659.94/x
  3. Step 3: Cross multiply
    14,120.26x = 19,485.93 × 7,659.94
  4. Step 4: Simplify right side
    14,120.26x = 149,261,054.64
  5. Step 5: Solve for x
    x = 149,261,054.64/14,120.26
  6. Step 6: Final answer
    x = 10,570.70

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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.