Home / 14,631.15-21,909.60-8,049.90

Finding the Fourth Proportional to 14,631.15, 21,909.60 and 8,049.90

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Solution

The fourth proportional to 14,631.15, 21,909.60 and 8,049.90 is: 12,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.15 : 21,909.60 = 8,049.90 : x
  2. Step 2: Convert to fraction form
    14,631.15/21,909.60 = 8,049.90/x
  3. Step 3: Cross multiply
    14,631.15x = 21,909.60 × 8,049.90
  4. Step 4: Simplify right side
    14,631.15x = 176,370,089.04
  5. Step 5: Solve for x
    x = 176,370,089.04/14,631.15
  6. Step 6: Final answer
    x = 12,054.42

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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.