Home / 14,553.24-20,077.38-8,961

Finding the Fourth Proportional to 14,553.24, 20,077.38 and 8,961

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Solution

The fourth proportional to 14,553.24, 20,077.38 and 8,961 is: 12,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.24 : 20,077.38 = 8,961 : x
  2. Step 2: Convert to fraction form
    14,553.24/20,077.38 = 8,961/x
  3. Step 3: Cross multiply
    14,553.24x = 20,077.38 × 8,961
  4. Step 4: Simplify right side
    14,553.24x = 179,913,402.18
  5. Step 5: Solve for x
    x = 179,913,402.18/14,553.24
  6. Step 6: Final answer
    x = 12,362.43

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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.