Home / 13,367.99-18,449.77-7,701.63

Finding the Fourth Proportional to 13,367.99, 18,449.77 and 7,701.63

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Solution

The fourth proportional to 13,367.99, 18,449.77 and 7,701.63 is: 10,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.99 : 18,449.77 = 7,701.63 : x
  2. Step 2: Convert to fraction form
    13,367.99/18,449.77 = 7,701.63/x
  3. Step 3: Cross multiply
    13,367.99x = 18,449.77 × 7,701.63
  4. Step 4: Simplify right side
    13,367.99x = 142,093,302.13
  5. Step 5: Solve for x
    x = 142,093,302.13/13,367.99
  6. Step 6: Final answer
    x = 10,629.37

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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.