Home / 13,050.87-19,578.96-5,554.41

Finding the Fourth Proportional to 13,050.87, 19,578.96 and 5,554.41

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Solution

The fourth proportional to 13,050.87, 19,578.96 and 5,554.41 is: 8,332.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.87 : 19,578.96 = 5,554.41 : x
  2. Step 2: Convert to fraction form
    13,050.87/19,578.96 = 5,554.41/x
  3. Step 3: Cross multiply
    13,050.87x = 19,578.96 × 5,554.41
  4. Step 4: Simplify right side
    13,050.87x = 108,749,571.21
  5. Step 5: Solve for x
    x = 108,749,571.21/13,050.87
  6. Step 6: Final answer
    x = 8,332.74

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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.