Home / 19,530.18-29,295.27-4,738.86

Finding the Fourth Proportional to 19,530.18, 29,295.27 and 4,738.86

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Solution

The fourth proportional to 19,530.18, 29,295.27 and 4,738.86 is: 7,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.18 : 29,295.27 = 4,738.86 : x
  2. Step 2: Convert to fraction form
    19,530.18/29,295.27 = 4,738.86/x
  3. Step 3: Cross multiply
    19,530.18x = 29,295.27 × 4,738.86
  4. Step 4: Simplify right side
    19,530.18x = 138,826,183.19
  5. Step 5: Solve for x
    x = 138,826,183.19/19,530.18
  6. Step 6: Final answer
    x = 7,108.29

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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.