Home / 14,086.89-21,112.02-5,757.39

Finding the Fourth Proportional to 14,086.89, 21,112.02 and 5,757.39

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Solution

The fourth proportional to 14,086.89, 21,112.02 and 5,757.39 is: 8,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.89 : 21,112.02 = 5,757.39 : x
  2. Step 2: Convert to fraction form
    14,086.89/21,112.02 = 5,757.39/x
  3. Step 3: Cross multiply
    14,086.89x = 21,112.02 × 5,757.39
  4. Step 4: Simplify right side
    14,086.89x = 121,550,132.83
  5. Step 5: Solve for x
    x = 121,550,132.83/14,086.89
  6. Step 6: Final answer
    x = 8,628.60

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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.