Home / 16,018.40-24,027.60-5,631.20

Finding the Fourth Proportional to 16,018.40, 24,027.60 and 5,631.20

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Solution

The fourth proportional to 16,018.40, 24,027.60 and 5,631.20 is: 8,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,018.40 : 24,027.60 = 5,631.20 : x
  2. Step 2: Convert to fraction form
    16,018.40/24,027.60 = 5,631.20/x
  3. Step 3: Cross multiply
    16,018.40x = 24,027.60 × 5,631.20
  4. Step 4: Simplify right side
    16,018.40x = 135,304,221.12
  5. Step 5: Solve for x
    x = 135,304,221.12/16,018.40
  6. Step 6: Final answer
    x = 8,446.80

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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.