Home / 28,453.99-39,266.29-16,518.44

Finding the Fourth Proportional to 28,453.99, 39,266.29 and 16,518.44

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Solution

The fourth proportional to 28,453.99, 39,266.29 and 16,518.44 is: 22,795.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453.99 : 39,266.29 = 16,518.44 : x
  2. Step 2: Convert to fraction form
    28,453.99/39,266.29 = 16,518.44/x
  3. Step 3: Cross multiply
    28,453.99x = 39,266.29 × 16,518.44
  4. Step 4: Simplify right side
    28,453.99x = 648,617,855.39
  5. Step 5: Solve for x
    x = 648,617,855.39/28,453.99
  6. Step 6: Final answer
    x = 22,795.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.