Home / 13,932.56-19,226.88-7,645.04

Finding the Fourth Proportional to 13,932.56, 19,226.88 and 7,645.04

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Solution

The fourth proportional to 13,932.56, 19,226.88 and 7,645.04 is: 10,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.56 : 19,226.88 = 7,645.04 : x
  2. Step 2: Convert to fraction form
    13,932.56/19,226.88 = 7,645.04/x
  3. Step 3: Cross multiply
    13,932.56x = 19,226.88 × 7,645.04
  4. Step 4: Simplify right side
    13,932.56x = 146,990,266.68
  5. Step 5: Solve for x
    x = 146,990,266.68/13,932.56
  6. Step 6: Final answer
    x = 10,550.13

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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.