Home / 26,223.20-39,336.64-8,693.36

Finding the Fourth Proportional to 26,223.20, 39,336.64 and 8,693.36

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Solution

The fourth proportional to 26,223.20, 39,336.64 and 8,693.36 is: 13,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,223.20 : 39,336.64 = 8,693.36 : x
  2. Step 2: Convert to fraction form
    26,223.20/39,336.64 = 8,693.36/x
  3. Step 3: Cross multiply
    26,223.20x = 39,336.64 × 8,693.36
  4. Step 4: Simplify right side
    26,223.20x = 341,967,572.71
  5. Step 5: Solve for x
    x = 341,967,572.71/26,223.20
  6. Step 6: Final answer
    x = 13,040.65

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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.