Home / 23,859.18-35,720.73-18,936

Finding the Fourth Proportional to 23,859.18, 35,720.73 and 18,936

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Solution

The fourth proportional to 23,859.18, 35,720.73 and 18,936 is: 28,350.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,859.18 : 35,720.73 = 18,936 : x
  2. Step 2: Convert to fraction form
    23,859.18/35,720.73 = 18,936/x
  3. Step 3: Cross multiply
    23,859.18x = 35,720.73 × 18,936
  4. Step 4: Simplify right side
    23,859.18x = 676,407,743.28
  5. Step 5: Solve for x
    x = 676,407,743.28/23,859.18
  6. Step 6: Final answer
    x = 28,350.00

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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.