Home / 14,893.56-20,555.64-8,609.76

Finding the Fourth Proportional to 14,893.56, 20,555.64 and 8,609.76

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Solution

The fourth proportional to 14,893.56, 20,555.64 and 8,609.76 is: 11,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.56 : 20,555.64 = 8,609.76 : x
  2. Step 2: Convert to fraction form
    14,893.56/20,555.64 = 8,609.76/x
  3. Step 3: Cross multiply
    14,893.56x = 20,555.64 × 8,609.76
  4. Step 4: Simplify right side
    14,893.56x = 176,979,127.05
  5. Step 5: Solve for x
    x = 176,979,127.05/14,893.56
  6. Step 6: Final answer
    x = 11,882.93

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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.