Home / 16,453.20-24,663.60-8,126.40

Finding the Fourth Proportional to 16,453.20, 24,663.60 and 8,126.40

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Solution

The fourth proportional to 16,453.20, 24,663.60 and 8,126.40 is: 12,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,453.20 : 24,663.60 = 8,126.40 : x
  2. Step 2: Convert to fraction form
    16,453.20/24,663.60 = 8,126.40/x
  3. Step 3: Cross multiply
    16,453.20x = 24,663.60 × 8,126.40
  4. Step 4: Simplify right side
    16,453.20x = 200,426,279.04
  5. Step 5: Solve for x
    x = 200,426,279.04/16,453.20
  6. Step 6: Final answer
    x = 12,181.60

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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.