Home / 19,099.86-28,649.94-7,250.44

Finding the Fourth Proportional to 19,099.86, 28,649.94 and 7,250.44

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Solution

The fourth proportional to 19,099.86, 28,649.94 and 7,250.44 is: 10,875.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.86 : 28,649.94 = 7,250.44 : x
  2. Step 2: Convert to fraction form
    19,099.86/28,649.94 = 7,250.44/x
  3. Step 3: Cross multiply
    19,099.86x = 28,649.94 × 7,250.44
  4. Step 4: Simplify right side
    19,099.86x = 207,724,634.72
  5. Step 5: Solve for x
    x = 207,724,634.72/19,099.86
  6. Step 6: Final answer
    x = 10,875.72

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1.5x scale

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.