Home / 19,195.05-26,490.20-11,237.88

Finding the Fourth Proportional to 19,195.05, 26,490.20 and 11,237.88

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Solution

The fourth proportional to 19,195.05, 26,490.20 and 11,237.88 is: 15,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.05 : 26,490.20 = 11,237.88 : x
  2. Step 2: Convert to fraction form
    19,195.05/26,490.20 = 11,237.88/x
  3. Step 3: Cross multiply
    19,195.05x = 26,490.20 × 11,237.88
  4. Step 4: Simplify right side
    19,195.05x = 297,693,632.59
  5. Step 5: Solve for x
    x = 297,693,632.59/19,195.05
  6. Step 6: Final answer
    x = 15,508.88

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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.