Home / 12,550.64-18,829.20-4,759.52

Finding the Fourth Proportional to 12,550.64, 18,829.20 and 4,759.52

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Solution

The fourth proportional to 12,550.64, 18,829.20 and 4,759.52 is: 7,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.64 : 18,829.20 = 4,759.52 : x
  2. Step 2: Convert to fraction form
    12,550.64/18,829.20 = 4,759.52/x
  3. Step 3: Cross multiply
    12,550.64x = 18,829.20 × 4,759.52
  4. Step 4: Simplify right side
    12,550.64x = 89,617,953.98
  5. Step 5: Solve for x
    x = 89,617,953.98/12,550.64
  6. Step 6: Final answer
    x = 7,140.51

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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.