Home / 13,157.24-19,734.08-6,131.52

Finding the Fourth Proportional to 13,157.24, 19,734.08 and 6,131.52

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Solution

The fourth proportional to 13,157.24, 19,734.08 and 6,131.52 is: 9,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.24 : 19,734.08 = 6,131.52 : x
  2. Step 2: Convert to fraction form
    13,157.24/19,734.08 = 6,131.52/x
  3. Step 3: Cross multiply
    13,157.24x = 19,734.08 × 6,131.52
  4. Step 4: Simplify right side
    13,157.24x = 120,999,906.20
  5. Step 5: Solve for x
    x = 120,999,906.20/13,157.24
  6. Step 6: Final answer
    x = 9,196.45

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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.