Home / 14,175.30-21,257.46-4,813.74

Finding the Fourth Proportional to 14,175.30, 21,257.46 and 4,813.74

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Solution

The fourth proportional to 14,175.30, 21,257.46 and 4,813.74 is: 7,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.30 : 21,257.46 = 4,813.74 : x
  2. Step 2: Convert to fraction form
    14,175.30/21,257.46 = 4,813.74/x
  3. Step 3: Cross multiply
    14,175.30x = 21,257.46 × 4,813.74
  4. Step 4: Simplify right side
    14,175.30x = 102,327,885.50
  5. Step 5: Solve for x
    x = 102,327,885.50/14,175.30
  6. Step 6: Final answer
    x = 7,218.75

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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.