Home / 23,890.20-32,996.25-15,918.54

Finding the Fourth Proportional to 23,890.20, 32,996.25 and 15,918.54

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Solution

The fourth proportional to 23,890.20, 32,996.25 and 15,918.54 is: 21,986.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,890.20 : 32,996.25 = 15,918.54 : x
  2. Step 2: Convert to fraction form
    23,890.20/32,996.25 = 15,918.54/x
  3. Step 3: Cross multiply
    23,890.20x = 32,996.25 × 15,918.54
  4. Step 4: Simplify right side
    23,890.20x = 525,252,125.48
  5. Step 5: Solve for x
    x = 525,252,125.48/23,890.20
  6. Step 6: Final answer
    x = 21,986.09

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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.