Home / 14,528.64-21,778.56-8,676.48

Finding the Fourth Proportional to 14,528.64, 21,778.56 and 8,676.48

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Solution

The fourth proportional to 14,528.64, 21,778.56 and 8,676.48 is: 13,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.64 : 21,778.56 = 8,676.48 : x
  2. Step 2: Convert to fraction form
    14,528.64/21,778.56 = 8,676.48/x
  3. Step 3: Cross multiply
    14,528.64x = 21,778.56 × 8,676.48
  4. Step 4: Simplify right side
    14,528.64x = 188,961,240.27
  5. Step 5: Solve for x
    x = 188,961,240.27/14,528.64
  6. Step 6: Final answer
    x = 13,006.12

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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.