Home / 19,051.40-26,286.64-11,498.96

Finding the Fourth Proportional to 19,051.40, 26,286.64 and 11,498.96

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Solution

The fourth proportional to 19,051.40, 26,286.64 and 11,498.96 is: 15,865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.40 : 26,286.64 = 11,498.96 : x
  2. Step 2: Convert to fraction form
    19,051.40/26,286.64 = 11,498.96/x
  3. Step 3: Cross multiply
    19,051.40x = 26,286.64 × 11,498.96
  4. Step 4: Simplify right side
    19,051.40x = 302,269,021.89
  5. Step 5: Solve for x
    x = 302,269,021.89/19,051.40
  6. Step 6: Final answer
    x = 15,865.97

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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.