Home / 19,476.38-26,877.42-11,519.15

Finding the Fourth Proportional to 19,476.38, 26,877.42 and 11,519.15

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Solution

The fourth proportional to 19,476.38, 26,877.42 and 11,519.15 is: 15,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.38 : 26,877.42 = 11,519.15 : x
  2. Step 2: Convert to fraction form
    19,476.38/26,877.42 = 11,519.15/x
  3. Step 3: Cross multiply
    19,476.38x = 26,877.42 × 11,519.15
  4. Step 4: Simplify right side
    19,476.38x = 309,604,898.21
  5. Step 5: Solve for x
    x = 309,604,898.21/19,476.38
  6. Step 6: Final answer
    x = 15,896.43

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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.