Home / 19,155.53-28,733.20-4,923.99

Finding the Fourth Proportional to 19,155.53, 28,733.20 and 4,923.99

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Solution

The fourth proportional to 19,155.53, 28,733.20 and 4,923.99 is: 7,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.53 : 28,733.20 = 4,923.99 : x
  2. Step 2: Convert to fraction form
    19,155.53/28,733.20 = 4,923.99/x
  3. Step 3: Cross multiply
    19,155.53x = 28,733.20 × 4,923.99
  4. Step 4: Simplify right side
    19,155.53x = 141,481,989.47
  5. Step 5: Solve for x
    x = 141,481,989.47/19,155.53
  6. Step 6: Final answer
    x = 7,385.96

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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.