Home / 27,154.78-37,466.56-16,391.15

Finding the Fourth Proportional to 27,154.78, 37,466.56 and 16,391.15

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Solution

The fourth proportional to 27,154.78, 37,466.56 and 16,391.15 is: 22,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,154.78 : 37,466.56 = 16,391.15 : x
  2. Step 2: Convert to fraction form
    27,154.78/37,466.56 = 16,391.15/x
  3. Step 3: Cross multiply
    27,154.78x = 37,466.56 × 16,391.15
  4. Step 4: Simplify right side
    27,154.78x = 614,120,004.94
  5. Step 5: Solve for x
    x = 614,120,004.94/27,154.78
  6. Step 6: Final answer
    x = 22,615.54

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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.