Home / 18,759.36-25,889.76-10,801.92

Finding the Fourth Proportional to 18,759.36, 25,889.76 and 10,801.92

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Solution

The fourth proportional to 18,759.36, 25,889.76 and 10,801.92 is: 14,907.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759.36 : 25,889.76 = 10,801.92 : x
  2. Step 2: Convert to fraction form
    18,759.36/25,889.76 = 10,801.92/x
  3. Step 3: Cross multiply
    18,759.36x = 25,889.76 × 10,801.92
  4. Step 4: Simplify right side
    18,759.36x = 279,659,116.34
  5. Step 5: Solve for x
    x = 279,659,116.34/18,759.36
  6. Step 6: Final answer
    x = 14,907.71

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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.