Home / 15,343.69-23,015.84-4,813.49

Finding the Fourth Proportional to 15,343.69, 23,015.84 and 4,813.49

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Solution

The fourth proportional to 15,343.69, 23,015.84 and 4,813.49 is: 7,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343.69 : 23,015.84 = 4,813.49 : x
  2. Step 2: Convert to fraction form
    15,343.69/23,015.84 = 4,813.49/x
  3. Step 3: Cross multiply
    15,343.69x = 23,015.84 × 4,813.49
  4. Step 4: Simplify right side
    15,343.69x = 110,786,515.68
  5. Step 5: Solve for x
    x = 110,786,515.68/15,343.69
  6. Step 6: Final answer
    x = 7,220.33

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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.