Home / 13,496.68-18,625.44-7,446.78

Finding the Fourth Proportional to 13,496.68, 18,625.44 and 7,446.78

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Solution

The fourth proportional to 13,496.68, 18,625.44 and 7,446.78 is: 10,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.68 : 18,625.44 = 7,446.78 : x
  2. Step 2: Convert to fraction form
    13,496.68/18,625.44 = 7,446.78/x
  3. Step 3: Cross multiply
    13,496.68x = 18,625.44 × 7,446.78
  4. Step 4: Simplify right side
    13,496.68x = 138,699,554.08
  5. Step 5: Solve for x
    x = 138,699,554.08/13,496.68
  6. Step 6: Final answer
    x = 10,276.57

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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.