Home / 19,126.76-28,707.44-8,041.64

Finding the Fourth Proportional to 19,126.76, 28,707.44 and 8,041.64

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Solution

The fourth proportional to 19,126.76, 28,707.44 and 8,041.64 is: 12,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.76 : 28,707.44 = 8,041.64 : x
  2. Step 2: Convert to fraction form
    19,126.76/28,707.44 = 8,041.64/x
  3. Step 3: Cross multiply
    19,126.76x = 28,707.44 × 8,041.64
  4. Step 4: Simplify right side
    19,126.76x = 230,854,897.80
  5. Step 5: Solve for x
    x = 230,854,897.80/19,126.76
  6. Step 6: Final answer
    x = 12,069.73

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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.