Home / 19,161.10-28,742.87-6,013.99

Finding the Fourth Proportional to 19,161.10, 28,742.87 and 6,013.99

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Solution

The fourth proportional to 19,161.10, 28,742.87 and 6,013.99 is: 9,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.10 : 28,742.87 = 6,013.99 : x
  2. Step 2: Convert to fraction form
    19,161.10/28,742.87 = 6,013.99/x
  3. Step 3: Cross multiply
    19,161.10x = 28,742.87 × 6,013.99
  4. Step 4: Simplify right side
    19,161.10x = 172,859,332.75
  5. Step 5: Solve for x
    x = 172,859,332.75/19,161.10
  6. Step 6: Final answer
    x = 9,021.37

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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.