Home / 16,765.58-25,153.83-7,999.36

Finding the Fourth Proportional to 16,765.58, 25,153.83 and 7,999.36

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Solution

The fourth proportional to 16,765.58, 25,153.83 and 7,999.36 is: 12,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.58 : 25,153.83 = 7,999.36 : x
  2. Step 2: Convert to fraction form
    16,765.58/25,153.83 = 7,999.36/x
  3. Step 3: Cross multiply
    16,765.58x = 25,153.83 × 7,999.36
  4. Step 4: Simplify right side
    16,765.58x = 201,214,541.55
  5. Step 5: Solve for x
    x = 201,214,541.55/16,765.58
  6. Step 6: Final answer
    x = 12,001.65

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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.