Home / 23,125.20-31,912.20-13,053.36

Finding the Fourth Proportional to 23,125.20, 31,912.20 and 13,053.36

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Solution

The fourth proportional to 23,125.20, 31,912.20 and 13,053.36 is: 18,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.20 : 31,912.20 = 13,053.36 : x
  2. Step 2: Convert to fraction form
    23,125.20/31,912.20 = 13,053.36/x
  3. Step 3: Cross multiply
    23,125.20x = 31,912.20 × 13,053.36
  4. Step 4: Simplify right side
    23,125.20x = 416,561,434.99
  5. Step 5: Solve for x
    x = 416,561,434.99/23,125.20
  6. Step 6: Final answer
    x = 18,013.31

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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.