Home / 21,025.94-31,535.86-6,792.52

Finding the Fourth Proportional to 21,025.94, 31,535.86 and 6,792.52

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Solution

The fourth proportional to 21,025.94, 31,535.86 and 6,792.52 is: 10,187.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.94 : 31,535.86 = 6,792.52 : x
  2. Step 2: Convert to fraction form
    21,025.94/31,535.86 = 6,792.52/x
  3. Step 3: Cross multiply
    21,025.94x = 31,535.86 × 6,792.52
  4. Step 4: Simplify right side
    21,025.94x = 214,207,959.77
  5. Step 5: Solve for x
    x = 214,207,959.77/21,025.94
  6. Step 6: Final answer
    x = 10,187.79

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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.