Home / 19,628.24-27,045.96-13,329.68

Finding the Fourth Proportional to 19,628.24, 27,045.96 and 13,329.68

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Solution

The fourth proportional to 19,628.24, 27,045.96 and 13,329.68 is: 18,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.24 : 27,045.96 = 13,329.68 : x
  2. Step 2: Convert to fraction form
    19,628.24/27,045.96 = 13,329.68/x
  3. Step 3: Cross multiply
    19,628.24x = 27,045.96 × 13,329.68
  4. Step 4: Simplify right side
    19,628.24x = 360,513,992.09
  5. Step 5: Solve for x
    x = 360,513,992.09/19,628.24
  6. Step 6: Final answer
    x = 18,367.11

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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.