Home / 14,676.24-20,253.10-7,961.72

Finding the Fourth Proportional to 14,676.24, 20,253.10 and 7,961.72

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Solution

The fourth proportional to 14,676.24, 20,253.10 and 7,961.72 is: 10,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.24 : 20,253.10 = 7,961.72 : x
  2. Step 2: Convert to fraction form
    14,676.24/20,253.10 = 7,961.72/x
  3. Step 3: Cross multiply
    14,676.24x = 20,253.10 × 7,961.72
  4. Step 4: Simplify right side
    14,676.24x = 161,249,511.33
  5. Step 5: Solve for x
    x = 161,249,511.33/14,676.24
  6. Step 6: Final answer
    x = 10,987.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.