Home / 39,983.22-59,986.78-11,904.23

Finding the Fourth Proportional to 39,983.22, 59,986.78 and 11,904.23

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Solution

The fourth proportional to 39,983.22, 59,986.78 and 11,904.23 is: 17,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.22 : 59,986.78 = 11,904.23 : x
  2. Step 2: Convert to fraction form
    39,983.22/59,986.78 = 11,904.23/x
  3. Step 3: Cross multiply
    39,983.22x = 59,986.78 × 11,904.23
  4. Step 4: Simplify right side
    39,983.22x = 714,096,546.29
  5. Step 5: Solve for x
    x = 714,096,546.29/39,983.22
  6. Step 6: Final answer
    x = 17,859.91

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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.