Home / 27,176.43-37,452.69-21,198.63

Finding the Fourth Proportional to 27,176.43, 37,452.69 and 21,198.63

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Solution

The fourth proportional to 27,176.43, 37,452.69 and 21,198.63 is: 29,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,176.43 : 37,452.69 = 21,198.63 : x
  2. Step 2: Convert to fraction form
    27,176.43/37,452.69 = 21,198.63/x
  3. Step 3: Cross multiply
    27,176.43x = 37,452.69 × 21,198.63
  4. Step 4: Simplify right side
    27,176.43x = 793,945,717.81
  5. Step 5: Solve for x
    x = 793,945,717.81/27,176.43
  6. Step 6: Final answer
    x = 29,214.50

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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.