Home / 13,190.15-19,782.15-6,175

Finding the Fourth Proportional to 13,190.15, 19,782.15 and 6,175

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Solution

The fourth proportional to 13,190.15, 19,782.15 and 6,175 is: 9,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.15 : 19,782.15 = 6,175 : x
  2. Step 2: Convert to fraction form
    13,190.15/19,782.15 = 6,175/x
  3. Step 3: Cross multiply
    13,190.15x = 19,782.15 × 6,175
  4. Step 4: Simplify right side
    13,190.15x = 122,154,776.25
  5. Step 5: Solve for x
    x = 122,154,776.25/13,190.15
  6. Step 6: Final answer
    x = 9,261.06

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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.