Home / 17,861.40-26,791.56-4,713.84

Finding the Fourth Proportional to 17,861.40, 26,791.56 and 4,713.84

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Solution

The fourth proportional to 17,861.40, 26,791.56 and 4,713.84 is: 7,070.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.40 : 26,791.56 = 4,713.84 : x
  2. Step 2: Convert to fraction form
    17,861.40/26,791.56 = 4,713.84/x
  3. Step 3: Cross multiply
    17,861.40x = 26,791.56 × 4,713.84
  4. Step 4: Simplify right side
    17,861.40x = 126,291,127.19
  5. Step 5: Solve for x
    x = 126,291,127.19/17,861.40
  6. Step 6: Final answer
    x = 7,070.62

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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.