Home / 14,470.42-21,706.55-5,589.99

Finding the Fourth Proportional to 14,470.42, 21,706.55 and 5,589.99

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Solution

The fourth proportional to 14,470.42, 21,706.55 and 5,589.99 is: 8,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.42 : 21,706.55 = 5,589.99 : x
  2. Step 2: Convert to fraction form
    14,470.42/21,706.55 = 5,589.99/x
  3. Step 3: Cross multiply
    14,470.42x = 21,706.55 × 5,589.99
  4. Step 4: Simplify right side
    14,470.42x = 121,339,397.43
  5. Step 5: Solve for x
    x = 121,339,397.43/14,470.42
  6. Step 6: Final answer
    x = 8,385.34

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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.