Home / 23,905.78-32,986.77-13,293.37

Finding the Fourth Proportional to 23,905.78, 32,986.77 and 13,293.37

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Solution

The fourth proportional to 23,905.78, 32,986.77 and 13,293.37 is: 18,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,905.78 : 32,986.77 = 13,293.37 : x
  2. Step 2: Convert to fraction form
    23,905.78/32,986.77 = 13,293.37/x
  3. Step 3: Cross multiply
    23,905.78x = 32,986.77 × 13,293.37
  4. Step 4: Simplify right side
    23,905.78x = 438,505,338.71
  5. Step 5: Solve for x
    x = 438,505,338.71/23,905.78
  6. Step 6: Final answer
    x = 18,343.07

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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.