Home / 14,083.10-21,124.65-9,676.70

Finding the Fourth Proportional to 14,083.10, 21,124.65 and 9,676.70

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Solution

The fourth proportional to 14,083.10, 21,124.65 and 9,676.70 is: 14,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.10 : 21,124.65 = 9,676.70 : x
  2. Step 2: Convert to fraction form
    14,083.10/21,124.65 = 9,676.70/x
  3. Step 3: Cross multiply
    14,083.10x = 21,124.65 × 9,676.70
  4. Step 4: Simplify right side
    14,083.10x = 204,416,900.66
  5. Step 5: Solve for x
    x = 204,416,900.66/14,083.10
  6. Step 6: Final answer
    x = 14,515.05

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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.