Home / 23,451.36-32,340.16-19,865.99

Finding the Fourth Proportional to 23,451.36, 32,340.16 and 19,865.99

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Solution

The fourth proportional to 23,451.36, 32,340.16 and 19,865.99 is: 27,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,451.36 : 32,340.16 = 19,865.99 : x
  2. Step 2: Convert to fraction form
    23,451.36/32,340.16 = 19,865.99/x
  3. Step 3: Cross multiply
    23,451.36x = 32,340.16 × 19,865.99
  4. Step 4: Simplify right side
    23,451.36x = 642,469,295.16
  5. Step 5: Solve for x
    x = 642,469,295.16/23,451.36
  6. Step 6: Final answer
    x = 27,395.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.