Home / 13,242.85-19,867.01-3,883.16

Finding the Fourth Proportional to 13,242.85, 19,867.01 and 3,883.16

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Solution

The fourth proportional to 13,242.85, 19,867.01 and 3,883.16 is: 5,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.85 : 19,867.01 = 3,883.16 : x
  2. Step 2: Convert to fraction form
    13,242.85/19,867.01 = 3,883.16/x
  3. Step 3: Cross multiply
    13,242.85x = 19,867.01 × 3,883.16
  4. Step 4: Simplify right side
    13,242.85x = 77,146,808.80
  5. Step 5: Solve for x
    x = 77,146,808.80/13,242.85
  6. Step 6: Final answer
    x = 5,825.55

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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.