Home / 16,415.45-24,630.86-8,090.92

Finding the Fourth Proportional to 16,415.45, 24,630.86 and 8,090.92

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Solution

The fourth proportional to 16,415.45, 24,630.86 and 8,090.92 is: 12,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.45 : 24,630.86 = 8,090.92 : x
  2. Step 2: Convert to fraction form
    16,415.45/24,630.86 = 8,090.92/x
  3. Step 3: Cross multiply
    16,415.45x = 24,630.86 × 8,090.92
  4. Step 4: Simplify right side
    16,415.45x = 199,286,338.47
  5. Step 5: Solve for x
    x = 199,286,338.47/16,415.45
  6. Step 6: Final answer
    x = 12,140.17

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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.