Home / 53,955.72-80,930.61-16,515.76

Finding the Fourth Proportional to 53,955.72, 80,930.61 and 16,515.76

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Solution

The fourth proportional to 53,955.72, 80,930.61 and 16,515.76 is: 24,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,955.72 : 80,930.61 = 16,515.76 : x
  2. Step 2: Convert to fraction form
    53,955.72/80,930.61 = 16,515.76/x
  3. Step 3: Cross multiply
    53,955.72x = 80,930.61 × 16,515.76
  4. Step 4: Simplify right side
    53,955.72x = 1,336,630,694.51
  5. Step 5: Solve for x
    x = 1,336,630,694.51/53,955.72
  6. Step 6: Final answer
    x = 24,772.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.