Home / 13,834.63-19,045.61-13,199.11

Finding the Fourth Proportional to 13,834.63, 19,045.61 and 13,199.11

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Solution

The fourth proportional to 13,834.63, 19,045.61 and 13,199.11 is: 18,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.63 : 19,045.61 = 13,199.11 : x
  2. Step 2: Convert to fraction form
    13,834.63/19,045.61 = 13,199.11/x
  3. Step 3: Cross multiply
    13,834.63x = 19,045.61 × 13,199.11
  4. Step 4: Simplify right side
    13,834.63x = 251,385,144.43
  5. Step 5: Solve for x
    x = 251,385,144.43/13,834.63
  6. Step 6: Final answer
    x = 18,170.72

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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.