Home / 19,158.25-26,434.42-11,198.93

Finding the Fourth Proportional to 19,158.25, 26,434.42 and 11,198.93

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Solution

The fourth proportional to 19,158.25, 26,434.42 and 11,198.93 is: 15,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.25 : 26,434.42 = 11,198.93 : x
  2. Step 2: Convert to fraction form
    19,158.25/26,434.42 = 11,198.93/x
  3. Step 3: Cross multiply
    19,158.25x = 26,434.42 × 11,198.93
  4. Step 4: Simplify right side
    19,158.25x = 296,037,163.18
  5. Step 5: Solve for x
    x = 296,037,163.18/19,158.25
  6. Step 6: Final answer
    x = 15,452.21

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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.