Home / 23,999.07-33,119.37-13,390.77

Finding the Fourth Proportional to 23,999.07, 33,119.37 and 13,390.77

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Solution

The fourth proportional to 23,999.07, 33,119.37 and 13,390.77 is: 18,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.07 : 33,119.37 = 13,390.77 : x
  2. Step 2: Convert to fraction form
    23,999.07/33,119.37 = 13,390.77/x
  3. Step 3: Cross multiply
    23,999.07x = 33,119.37 × 13,390.77
  4. Step 4: Simplify right side
    23,999.07x = 443,493,866.21
  5. Step 5: Solve for x
    x = 443,493,866.21/23,999.07
  6. Step 6: Final answer
    x = 18,479.63

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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.