Home / 18,609.94-27,885.75-15,825.16

Finding the Fourth Proportional to 18,609.94, 27,885.75 and 15,825.16

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Solution

The fourth proportional to 18,609.94, 27,885.75 and 15,825.16 is: 23,712.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.94 : 27,885.75 = 15,825.16 : x
  2. Step 2: Convert to fraction form
    18,609.94/27,885.75 = 15,825.16/x
  3. Step 3: Cross multiply
    18,609.94x = 27,885.75 × 15,825.16
  4. Step 4: Simplify right side
    18,609.94x = 441,296,455.47
  5. Step 5: Solve for x
    x = 441,296,455.47/18,609.94
  6. Step 6: Final answer
    x = 23,712.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.