Home / 27,109.24-37,440-18,633.76

Finding the Fourth Proportional to 27,109.24, 37,440 and 18,633.76

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Solution

The fourth proportional to 27,109.24, 37,440 and 18,633.76 is: 25,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.24 : 37,440 = 18,633.76 : x
  2. Step 2: Convert to fraction form
    27,109.24/37,440 = 18,633.76/x
  3. Step 3: Cross multiply
    27,109.24x = 37,440 × 18,633.76
  4. Step 4: Simplify right side
    27,109.24x = 697,647,974.40
  5. Step 5: Solve for x
    x = 697,647,974.40/27,109.24
  6. Step 6: Final answer
    x = 25,734.69

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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.