Home / 16,272.40-24,408.60-9,930.10

Finding the Fourth Proportional to 16,272.40, 24,408.60 and 9,930.10

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Solution

The fourth proportional to 16,272.40, 24,408.60 and 9,930.10 is: 14,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,272.40 : 24,408.60 = 9,930.10 : x
  2. Step 2: Convert to fraction form
    16,272.40/24,408.60 = 9,930.10/x
  3. Step 3: Cross multiply
    16,272.40x = 24,408.60 × 9,930.10
  4. Step 4: Simplify right side
    16,272.40x = 242,379,838.86
  5. Step 5: Solve for x
    x = 242,379,838.86/16,272.40
  6. Step 6: Final answer
    x = 14,895.15

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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.