Home / 23,830.58-35,689.50-20,693.54

Finding the Fourth Proportional to 23,830.58, 35,689.50 and 20,693.54

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Solution

The fourth proportional to 23,830.58, 35,689.50 and 20,693.54 is: 30,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,830.58 : 35,689.50 = 20,693.54 : x
  2. Step 2: Convert to fraction form
    23,830.58/35,689.50 = 20,693.54/x
  3. Step 3: Cross multiply
    23,830.58x = 35,689.50 × 20,693.54
  4. Step 4: Simplify right side
    23,830.58x = 738,541,917.38
  5. Step 5: Solve for x
    x = 738,541,917.38/23,830.58
  6. Step 6: Final answer
    x = 30,991.36

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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.