Home / 17,582.21-26,358.53-12,021.96

Finding the Fourth Proportional to 17,582.21, 26,358.53 and 12,021.96

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Solution

The fourth proportional to 17,582.21, 26,358.53 and 12,021.96 is: 18,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,582.21 : 26,358.53 = 12,021.96 : x
  2. Step 2: Convert to fraction form
    17,582.21/26,358.53 = 12,021.96/x
  3. Step 3: Cross multiply
    17,582.21x = 26,358.53 × 12,021.96
  4. Step 4: Simplify right side
    17,582.21x = 316,881,133.21
  5. Step 5: Solve for x
    x = 316,881,133.21/17,582.21
  6. Step 6: Final answer
    x = 18,022.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.