Home / 27,531.45-37,972.26-18,564.75

Finding the Fourth Proportional to 27,531.45, 37,972.26 and 18,564.75

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Solution

The fourth proportional to 27,531.45, 37,972.26 and 18,564.75 is: 25,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.45 : 37,972.26 = 18,564.75 : x
  2. Step 2: Convert to fraction form
    27,531.45/37,972.26 = 18,564.75/x
  3. Step 3: Cross multiply
    27,531.45x = 37,972.26 × 18,564.75
  4. Step 4: Simplify right side
    27,531.45x = 704,945,513.84
  5. Step 5: Solve for x
    x = 704,945,513.84/27,531.45
  6. Step 6: Final answer
    x = 25,605.10

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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.