Home / 27,131.24-37,446.54-18,656.36

Finding the Fourth Proportional to 27,131.24, 37,446.54 and 18,656.36

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Solution

The fourth proportional to 27,131.24, 37,446.54 and 18,656.36 is: 25,749.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.24 : 37,446.54 = 18,656.36 : x
  2. Step 2: Convert to fraction form
    27,131.24/37,446.54 = 18,656.36/x
  3. Step 3: Cross multiply
    27,131.24x = 37,446.54 × 18,656.36
  4. Step 4: Simplify right side
    27,131.24x = 698,616,130.99
  5. Step 5: Solve for x
    x = 698,616,130.99/27,131.24
  6. Step 6: Final answer
    x = 25,749.51

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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.