Home / 17,287.89-23,859.54-9,735.68

Finding the Fourth Proportional to 17,287.89, 23,859.54 and 9,735.68

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Solution

The fourth proportional to 17,287.89, 23,859.54 and 9,735.68 is: 13,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,287.89 : 23,859.54 = 9,735.68 : x
  2. Step 2: Convert to fraction form
    17,287.89/23,859.54 = 9,735.68/x
  3. Step 3: Cross multiply
    17,287.89x = 23,859.54 × 9,735.68
  4. Step 4: Simplify right side
    17,287.89x = 232,288,727.09
  5. Step 5: Solve for x
    x = 232,288,727.09/17,287.89
  6. Step 6: Final answer
    x = 13,436.50

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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.