Home / 27,485.45-37,930.85-16,154.78

Finding the Fourth Proportional to 27,485.45, 37,930.85 and 16,154.78

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Solution

The fourth proportional to 27,485.45, 37,930.85 and 16,154.78 is: 22,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.45 : 37,930.85 = 16,154.78 : x
  2. Step 2: Convert to fraction form
    27,485.45/37,930.85 = 16,154.78/x
  3. Step 3: Cross multiply
    27,485.45x = 37,930.85 × 16,154.78
  4. Step 4: Simplify right side
    27,485.45x = 612,764,536.96
  5. Step 5: Solve for x
    x = 612,764,536.96/27,485.45
  6. Step 6: Final answer
    x = 22,294.15

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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.