Home / 19,370.73-26,731.89-18,700.27

Finding the Fourth Proportional to 19,370.73, 26,731.89 and 18,700.27

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Solution

The fourth proportional to 19,370.73, 26,731.89 and 18,700.27 is: 25,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.73 : 26,731.89 = 18,700.27 : x
  2. Step 2: Convert to fraction form
    19,370.73/26,731.89 = 18,700.27/x
  3. Step 3: Cross multiply
    19,370.73x = 26,731.89 × 18,700.27
  4. Step 4: Simplify right side
    19,370.73x = 499,893,467.11
  5. Step 5: Solve for x
    x = 499,893,467.11/19,370.73
  6. Step 6: Final answer
    x = 25,806.65

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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.