Home / 14,188.26-19,576.98-7,899.42

Finding the Fourth Proportional to 14,188.26, 19,576.98 and 7,899.42

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Solution

The fourth proportional to 14,188.26, 19,576.98 and 7,899.42 is: 10,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.26 : 19,576.98 = 7,899.42 : x
  2. Step 2: Convert to fraction form
    14,188.26/19,576.98 = 7,899.42/x
  3. Step 3: Cross multiply
    14,188.26x = 19,576.98 × 7,899.42
  4. Step 4: Simplify right side
    14,188.26x = 154,646,787.35
  5. Step 5: Solve for x
    x = 154,646,787.35/14,188.26
  6. Step 6: Final answer
    x = 10,899.63

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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.