Home / 16,515.55-24,777.65-5,423.95

Finding the Fourth Proportional to 16,515.55, 24,777.65 and 5,423.95

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Solution

The fourth proportional to 16,515.55, 24,777.65 and 5,423.95 is: 8,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.55 : 24,777.65 = 5,423.95 : x
  2. Step 2: Convert to fraction form
    16,515.55/24,777.65 = 5,423.95/x
  3. Step 3: Cross multiply
    16,515.55x = 24,777.65 × 5,423.95
  4. Step 4: Simplify right side
    16,515.55x = 134,392,734.72
  5. Step 5: Solve for x
    x = 134,392,734.72/16,515.55
  6. Step 6: Final answer
    x = 8,137.35

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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.