Home / 26,782.52-40,145.45-9,904.68

Finding the Fourth Proportional to 26,782.52, 40,145.45 and 9,904.68

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Solution

The fourth proportional to 26,782.52, 40,145.45 and 9,904.68 is: 14,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,782.52 : 40,145.45 = 9,904.68 : x
  2. Step 2: Convert to fraction form
    26,782.52/40,145.45 = 9,904.68/x
  3. Step 3: Cross multiply
    26,782.52x = 40,145.45 × 9,904.68
  4. Step 4: Simplify right side
    26,782.52x = 397,627,835.71
  5. Step 5: Solve for x
    x = 397,627,835.71/26,782.52
  6. Step 6: Final answer
    x = 14,846.54

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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.