Home / 26,564.40-39,826.08-17,213.76

Finding the Fourth Proportional to 26,564.40, 39,826.08 and 17,213.76

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Solution

The fourth proportional to 26,564.40, 39,826.08 and 17,213.76 is: 25,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,564.40 : 39,826.08 = 17,213.76 : x
  2. Step 2: Convert to fraction form
    26,564.40/39,826.08 = 17,213.76/x
  3. Step 3: Cross multiply
    26,564.40x = 39,826.08 × 17,213.76
  4. Step 4: Simplify right side
    26,564.40x = 685,556,582.86
  5. Step 5: Solve for x
    x = 685,556,582.86/26,564.40
  6. Step 6: Final answer
    x = 25,807.34

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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.