Home / 14,641.70-20,204.26-8,672.36

Finding the Fourth Proportional to 14,641.70, 20,204.26 and 8,672.36

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Solution

The fourth proportional to 14,641.70, 20,204.26 and 8,672.36 is: 11,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,641.70 : 20,204.26 = 8,672.36 : x
  2. Step 2: Convert to fraction form
    14,641.70/20,204.26 = 8,672.36/x
  3. Step 3: Cross multiply
    14,641.70x = 20,204.26 × 8,672.36
  4. Step 4: Simplify right side
    14,641.70x = 175,218,493.55
  5. Step 5: Solve for x
    x = 175,218,493.55/14,641.70
  6. Step 6: Final answer
    x = 11,967.09

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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.