Home / 34,157.52-51,238.92-13,107.64

Finding the Fourth Proportional to 34,157.52, 51,238.92 and 13,107.64

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Solution

The fourth proportional to 34,157.52, 51,238.92 and 13,107.64 is: 19,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,157.52 : 51,238.92 = 13,107.64 : x
  2. Step 2: Convert to fraction form
    34,157.52/51,238.92 = 13,107.64/x
  3. Step 3: Cross multiply
    34,157.52x = 51,238.92 × 13,107.64
  4. Step 4: Simplify right side
    34,157.52x = 671,621,317.35
  5. Step 5: Solve for x
    x = 671,621,317.35/34,157.52
  6. Step 6: Final answer
    x = 19,662.47

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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.