Home / 14,305.72-19,753.62-9,278.48

Finding the Fourth Proportional to 14,305.72, 19,753.62 and 9,278.48

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Solution

The fourth proportional to 14,305.72, 19,753.62 and 9,278.48 is: 12,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.72 : 19,753.62 = 9,278.48 : x
  2. Step 2: Convert to fraction form
    14,305.72/19,753.62 = 9,278.48/x
  3. Step 3: Cross multiply
    14,305.72x = 19,753.62 × 9,278.48
  4. Step 4: Simplify right side
    14,305.72x = 183,283,469.33
  5. Step 5: Solve for x
    x = 183,283,469.33/14,305.72
  6. Step 6: Final answer
    x = 12,811.90

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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.