Home / 16,455.70-24,655.20-7,672.60

Finding the Fourth Proportional to 16,455.70, 24,655.20 and 7,672.60

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Solution

The fourth proportional to 16,455.70, 24,655.20 and 7,672.60 is: 11,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.70 : 24,655.20 = 7,672.60 : x
  2. Step 2: Convert to fraction form
    16,455.70/24,655.20 = 7,672.60/x
  3. Step 3: Cross multiply
    16,455.70x = 24,655.20 × 7,672.60
  4. Step 4: Simplify right side
    16,455.70x = 189,169,487.52
  5. Step 5: Solve for x
    x = 189,169,487.52/16,455.70
  6. Step 6: Final answer
    x = 11,495.68

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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.