Home / 27,654.67-38,161.69-18,235.99

Finding the Fourth Proportional to 27,654.67, 38,161.69 and 18,235.99

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Solution

The fourth proportional to 27,654.67, 38,161.69 and 18,235.99 is: 25,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,654.67 : 38,161.69 = 18,235.99 : x
  2. Step 2: Convert to fraction form
    27,654.67/38,161.69 = 18,235.99/x
  3. Step 3: Cross multiply
    27,654.67x = 38,161.69 × 18,235.99
  4. Step 4: Simplify right side
    27,654.67x = 695,916,197.22
  5. Step 5: Solve for x
    x = 695,916,197.22/27,654.67
  6. Step 6: Final answer
    x = 25,164.51

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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.