Home / 14,185.89-19,576.50-7,899.75

Finding the Fourth Proportional to 14,185.89, 19,576.50 and 7,899.75

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Solution

The fourth proportional to 14,185.89, 19,576.50 and 7,899.75 is: 10,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.89 : 19,576.50 = 7,899.75 : x
  2. Step 2: Convert to fraction form
    14,185.89/19,576.50 = 7,899.75/x
  3. Step 3: Cross multiply
    14,185.89x = 19,576.50 × 7,899.75
  4. Step 4: Simplify right side
    14,185.89x = 154,649,455.88
  5. Step 5: Solve for x
    x = 154,649,455.88/14,185.89
  6. Step 6: Final answer
    x = 10,901.64

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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.