Home / 19,256.65-28,861.11-10,911.38

Finding the Fourth Proportional to 19,256.65, 28,861.11 and 10,911.38

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Solution

The fourth proportional to 19,256.65, 28,861.11 and 10,911.38 is: 16,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,256.65 : 28,861.11 = 10,911.38 : x
  2. Step 2: Convert to fraction form
    19,256.65/28,861.11 = 10,911.38/x
  3. Step 3: Cross multiply
    19,256.65x = 28,861.11 × 10,911.38
  4. Step 4: Simplify right side
    19,256.65x = 314,914,538.43
  5. Step 5: Solve for x
    x = 314,914,538.43/19,256.65
  6. Step 6: Final answer
    x = 16,353.55

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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.