Home / 13,313.16-19,967.58-4,077

Finding the Fourth Proportional to 13,313.16, 19,967.58 and 4,077

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Solution

The fourth proportional to 13,313.16, 19,967.58 and 4,077 is: 6,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.16 : 19,967.58 = 4,077 : x
  2. Step 2: Convert to fraction form
    13,313.16/19,967.58 = 4,077/x
  3. Step 3: Cross multiply
    13,313.16x = 19,967.58 × 4,077
  4. Step 4: Simplify right side
    13,313.16x = 81,407,823.66
  5. Step 5: Solve for x
    x = 81,407,823.66/13,313.16
  6. Step 6: Final answer
    x = 6,114.84

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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.