Home / 14,381.30-21,572.88-4,520.96

Finding the Fourth Proportional to 14,381.30, 21,572.88 and 4,520.96

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Solution

The fourth proportional to 14,381.30, 21,572.88 and 4,520.96 is: 6,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.30 : 21,572.88 = 4,520.96 : x
  2. Step 2: Convert to fraction form
    14,381.30/21,572.88 = 4,520.96/x
  3. Step 3: Cross multiply
    14,381.30x = 21,572.88 × 4,520.96
  4. Step 4: Simplify right side
    14,381.30x = 97,530,198.45
  5. Step 5: Solve for x
    x = 97,530,198.45/14,381.30
  6. Step 6: Final answer
    x = 6,781.74

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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.