Home / 23,790.33-32,829.93-13,179.78

Finding the Fourth Proportional to 23,790.33, 32,829.93 and 13,179.78

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Solution

The fourth proportional to 23,790.33, 32,829.93 and 13,179.78 is: 18,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,790.33 : 32,829.93 = 13,179.78 : x
  2. Step 2: Convert to fraction form
    23,790.33/32,829.93 = 13,179.78/x
  3. Step 3: Cross multiply
    23,790.33x = 32,829.93 × 13,179.78
  4. Step 4: Simplify right side
    23,790.33x = 432,691,254.82
  5. Step 5: Solve for x
    x = 432,691,254.82/23,790.33
  6. Step 6: Final answer
    x = 18,187.69

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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.