Home / 19,750.68-27,256.23-13,379.22

Finding the Fourth Proportional to 19,750.68, 27,256.23 and 13,379.22

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Solution

The fourth proportional to 19,750.68, 27,256.23 and 13,379.22 is: 18,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.68 : 27,256.23 = 13,379.22 : x
  2. Step 2: Convert to fraction form
    19,750.68/27,256.23 = 13,379.22/x
  3. Step 3: Cross multiply
    19,750.68x = 27,256.23 × 13,379.22
  4. Step 4: Simplify right side
    19,750.68x = 364,667,097.54
  5. Step 5: Solve for x
    x = 364,667,097.54/19,750.68
  6. Step 6: Final answer
    x = 18,463.52

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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.