Home / 13,119.54-19,670.00-4,232.12

Finding the Fourth Proportional to 13,119.54, 19,670.00 and 4,232.12

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Solution

The fourth proportional to 13,119.54, 19,670.00 and 4,232.12 is: 6,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.54 : 19,670.00 = 4,232.12 : x
  2. Step 2: Convert to fraction form
    13,119.54/19,670.00 = 4,232.12/x
  3. Step 3: Cross multiply
    13,119.54x = 19,670.00 × 4,232.12
  4. Step 4: Simplify right side
    13,119.54x = 83,245,680.89
  5. Step 5: Solve for x
    x = 83,245,680.89/13,119.54
  6. Step 6: Final answer
    x = 6,345.17

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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.