Home / 19,145.96-26,417.37-11,590.82

Finding the Fourth Proportional to 19,145.96, 26,417.37 and 11,590.82

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Solution

The fourth proportional to 19,145.96, 26,417.37 and 11,590.82 is: 15,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.96 : 26,417.37 = 11,590.82 : x
  2. Step 2: Convert to fraction form
    19,145.96/26,417.37 = 11,590.82/x
  3. Step 3: Cross multiply
    19,145.96x = 26,417.37 × 11,590.82
  4. Step 4: Simplify right side
    19,145.96x = 306,198,980.54
  5. Step 5: Solve for x
    x = 306,198,980.54/19,145.96
  6. Step 6: Final answer
    x = 15,992.88

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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.