Home / 19,818.73-27,358.56-13,873.73

Finding the Fourth Proportional to 19,818.73, 27,358.56 and 13,873.73

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Solution

The fourth proportional to 19,818.73, 27,358.56 and 13,873.73 is: 19,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.73 : 27,358.56 = 13,873.73 : x
  2. Step 2: Convert to fraction form
    19,818.73/27,358.56 = 13,873.73/x
  3. Step 3: Cross multiply
    19,818.73x = 27,358.56 × 13,873.73
  4. Step 4: Simplify right side
    19,818.73x = 379,565,330.75
  5. Step 5: Solve for x
    x = 379,565,330.75/19,818.73
  6. Step 6: Final answer
    x = 19,151.85

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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.