Home / 13,861.26-19,130.49-8,823.87

Finding the Fourth Proportional to 13,861.26, 19,130.49 and 8,823.87

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Solution

The fourth proportional to 13,861.26, 19,130.49 and 8,823.87 is: 12,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.26 : 19,130.49 = 8,823.87 : x
  2. Step 2: Convert to fraction form
    13,861.26/19,130.49 = 8,823.87/x
  3. Step 3: Cross multiply
    13,861.26x = 19,130.49 × 8,823.87
  4. Step 4: Simplify right side
    13,861.26x = 168,804,956.80
  5. Step 5: Solve for x
    x = 168,804,956.80/13,861.26
  6. Step 6: Final answer
    x = 12,178.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.