Home / 14,251.74-21,377.13-6,455.10

Finding the Fourth Proportional to 14,251.74, 21,377.13 and 6,455.10

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Solution

The fourth proportional to 14,251.74, 21,377.13 and 6,455.10 is: 9,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.74 : 21,377.13 = 6,455.10 : x
  2. Step 2: Convert to fraction form
    14,251.74/21,377.13 = 6,455.10/x
  3. Step 3: Cross multiply
    14,251.74x = 21,377.13 × 6,455.10
  4. Step 4: Simplify right side
    14,251.74x = 137,991,511.86
  5. Step 5: Solve for x
    x = 137,991,511.86/14,251.74
  6. Step 6: Final answer
    x = 9,682.43

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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.