Home / 14,125.88-19,496.96-8,540.12

Finding the Fourth Proportional to 14,125.88, 19,496.96 and 8,540.12

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Solution

The fourth proportional to 14,125.88, 19,496.96 and 8,540.12 is: 11,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.88 : 19,496.96 = 8,540.12 : x
  2. Step 2: Convert to fraction form
    14,125.88/19,496.96 = 8,540.12/x
  3. Step 3: Cross multiply
    14,125.88x = 19,496.96 × 8,540.12
  4. Step 4: Simplify right side
    14,125.88x = 166,506,237.85
  5. Step 5: Solve for x
    x = 166,506,237.85/14,125.88
  6. Step 6: Final answer
    x = 11,787.32

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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.