Home / 19,150.20-26,427.78-11,595.15

Finding the Fourth Proportional to 19,150.20, 26,427.78 and 11,595.15

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Solution

The fourth proportional to 19,150.20, 26,427.78 and 11,595.15 is: 16,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.20 : 26,427.78 = 11,595.15 : x
  2. Step 2: Convert to fraction form
    19,150.20/26,427.78 = 11,595.15/x
  3. Step 3: Cross multiply
    19,150.20x = 26,427.78 × 11,595.15
  4. Step 4: Simplify right side
    19,150.20x = 306,434,073.27
  5. Step 5: Solve for x
    x = 306,434,073.27/19,150.20
  6. Step 6: Final answer
    x = 16,001.61

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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.