Home / 16,769.12-25,135.86-7,985.48

Finding the Fourth Proportional to 16,769.12, 25,135.86 and 7,985.48

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Solution

The fourth proportional to 16,769.12, 25,135.86 and 7,985.48 is: 11,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.12 : 25,135.86 = 7,985.48 : x
  2. Step 2: Convert to fraction form
    16,769.12/25,135.86 = 7,985.48/x
  3. Step 3: Cross multiply
    16,769.12x = 25,135.86 × 7,985.48
  4. Step 4: Simplify right side
    16,769.12x = 200,721,907.31
  5. Step 5: Solve for x
    x = 200,721,907.31/16,769.12
  6. Step 6: Final answer
    x = 11,969.73

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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.