Home / 13,932.34-20,896.59-5,166.04

Finding the Fourth Proportional to 13,932.34, 20,896.59 and 5,166.04

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Solution

The fourth proportional to 13,932.34, 20,896.59 and 5,166.04 is: 7,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.34 : 20,896.59 = 5,166.04 : x
  2. Step 2: Convert to fraction form
    13,932.34/20,896.59 = 5,166.04/x
  3. Step 3: Cross multiply
    13,932.34x = 20,896.59 × 5,166.04
  4. Step 4: Simplify right side
    13,932.34x = 107,952,619.80
  5. Step 5: Solve for x
    x = 107,952,619.80/13,932.34
  6. Step 6: Final answer
    x = 7,748.35

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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.