Home / 23,709.97-35,569.95-8,128.81

Finding the Fourth Proportional to 23,709.97, 35,569.95 and 8,128.81

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Solution

The fourth proportional to 23,709.97, 35,569.95 and 8,128.81 is: 12,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,709.97 : 35,569.95 = 8,128.81 : x
  2. Step 2: Convert to fraction form
    23,709.97/35,569.95 = 8,128.81/x
  3. Step 3: Cross multiply
    23,709.97x = 35,569.95 × 8,128.81
  4. Step 4: Simplify right side
    23,709.97x = 289,141,365.26
  5. Step 5: Solve for x
    x = 289,141,365.26/23,709.97
  6. Step 6: Final answer
    x = 12,194.93

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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.