Home / 65,409.39-98,084.97-18,651.33

Finding the Fourth Proportional to 65,409.39, 98,084.97 and 18,651.33

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Solution

The fourth proportional to 65,409.39, 98,084.97 and 18,651.33 is: 27,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,409.39 : 98,084.97 = 18,651.33 : x
  2. Step 2: Convert to fraction form
    65,409.39/98,084.97 = 18,651.33/x
  3. Step 3: Cross multiply
    65,409.39x = 98,084.97 × 18,651.33
  4. Step 4: Simplify right side
    65,409.39x = 1,829,415,143.51
  5. Step 5: Solve for x
    x = 1,829,415,143.51/65,409.39
  6. Step 6: Final answer
    x = 27,968.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.