Home / 18,504.09-25,536.26-10,120.59

Finding the Fourth Proportional to 18,504.09, 25,536.26 and 10,120.59

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Solution

The fourth proportional to 18,504.09, 25,536.26 and 10,120.59 is: 13,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.09 : 25,536.26 = 10,120.59 : x
  2. Step 2: Convert to fraction form
    18,504.09/25,536.26 = 10,120.59/x
  3. Step 3: Cross multiply
    18,504.09x = 25,536.26 × 10,120.59
  4. Step 4: Simplify right side
    18,504.09x = 258,441,966.99
  5. Step 5: Solve for x
    x = 258,441,966.99/18,504.09
  6. Step 6: Final answer
    x = 13,966.75

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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.