Home / 13,754.79-20,635.70-6,364.49

Finding the Fourth Proportional to 13,754.79, 20,635.70 and 6,364.49

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Solution

The fourth proportional to 13,754.79, 20,635.70 and 6,364.49 is: 9,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.79 : 20,635.70 = 6,364.49 : x
  2. Step 2: Convert to fraction form
    13,754.79/20,635.70 = 6,364.49/x
  3. Step 3: Cross multiply
    13,754.79x = 20,635.70 × 6,364.49
  4. Step 4: Simplify right side
    13,754.79x = 131,335,571.29
  5. Step 5: Solve for x
    x = 131,335,571.29/13,754.79
  6. Step 6: Final answer
    x = 9,548.35

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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.