Home / 18,736.29-25,855.76-10,238.20

Finding the Fourth Proportional to 18,736.29, 25,855.76 and 10,238.20

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Solution

The fourth proportional to 18,736.29, 25,855.76 and 10,238.20 is: 14,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.29 : 25,855.76 = 10,238.20 : x
  2. Step 2: Convert to fraction form
    18,736.29/25,855.76 = 10,238.20/x
  3. Step 3: Cross multiply
    18,736.29x = 25,855.76 × 10,238.20
  4. Step 4: Simplify right side
    18,736.29x = 264,716,326.20
  5. Step 5: Solve for x
    x = 264,716,326.20/18,736.29
  6. Step 6: Final answer
    x = 14,128.53

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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.