Home / 13,043.40-18,000-10,244.04

Finding the Fourth Proportional to 13,043.40, 18,000 and 10,244.04

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Solution

The fourth proportional to 13,043.40, 18,000 and 10,244.04 is: 14,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.40 : 18,000 = 10,244.04 : x
  2. Step 2: Convert to fraction form
    13,043.40/18,000 = 10,244.04/x
  3. Step 3: Cross multiply
    13,043.40x = 18,000 × 10,244.04
  4. Step 4: Simplify right side
    13,043.40x = 184,392,720.00
  5. Step 5: Solve for x
    x = 184,392,720.00/13,043.40
  6. Step 6: Final answer
    x = 14,136.86

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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.