Home / 19,098.05-28,605.61-11,680.02

Finding the Fourth Proportional to 19,098.05, 28,605.61 and 11,680.02

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Solution

The fourth proportional to 19,098.05, 28,605.61 and 11,680.02 is: 17,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.05 : 28,605.61 = 11,680.02 : x
  2. Step 2: Convert to fraction form
    19,098.05/28,605.61 = 11,680.02/x
  3. Step 3: Cross multiply
    19,098.05x = 28,605.61 × 11,680.02
  4. Step 4: Simplify right side
    19,098.05x = 334,114,096.91
  5. Step 5: Solve for x
    x = 334,114,096.91/19,098.05
  6. Step 6: Final answer
    x = 17,494.67

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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.