Home / 14,305.68-21,448.80-9,043.92

Finding the Fourth Proportional to 14,305.68, 21,448.80 and 9,043.92

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Solution

The fourth proportional to 14,305.68, 21,448.80 and 9,043.92 is: 13,559.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.68 : 21,448.80 = 9,043.92 : x
  2. Step 2: Convert to fraction form
    14,305.68/21,448.80 = 9,043.92/x
  3. Step 3: Cross multiply
    14,305.68x = 21,448.80 × 9,043.92
  4. Step 4: Simplify right side
    14,305.68x = 193,981,231.30
  5. Step 5: Solve for x
    x = 193,981,231.30/14,305.68
  6. Step 6: Final answer
    x = 13,559.74

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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.