Home / 14,251.52-19,659.84-11,892.80

Finding the Fourth Proportional to 14,251.52, 19,659.84 and 11,892.80

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Solution

The fourth proportional to 14,251.52, 19,659.84 and 11,892.80 is: 16,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.52 : 19,659.84 = 11,892.80 : x
  2. Step 2: Convert to fraction form
    14,251.52/19,659.84 = 11,892.80/x
  3. Step 3: Cross multiply
    14,251.52x = 19,659.84 × 11,892.80
  4. Step 4: Simplify right side
    14,251.52x = 233,810,545.15
  5. Step 5: Solve for x
    x = 233,810,545.15/14,251.52
  6. Step 6: Final answer
    x = 16,406.01

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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.