Home / 13,266.21-18,309.96-7,604.75

Finding the Fourth Proportional to 13,266.21, 18,309.96 and 7,604.75

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Solution

The fourth proportional to 13,266.21, 18,309.96 and 7,604.75 is: 10,496.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.21 : 18,309.96 = 7,604.75 : x
  2. Step 2: Convert to fraction form
    13,266.21/18,309.96 = 7,604.75/x
  3. Step 3: Cross multiply
    13,266.21x = 18,309.96 × 7,604.75
  4. Step 4: Simplify right side
    13,266.21x = 139,242,668.31
  5. Step 5: Solve for x
    x = 139,242,668.31/13,266.21
  6. Step 6: Final answer
    x = 10,496.04

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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.