Home / 18,669.08-25,761.48-11,497.88

Finding the Fourth Proportional to 18,669.08, 25,761.48 and 11,497.88

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Solution

The fourth proportional to 18,669.08, 25,761.48 and 11,497.88 is: 15,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.08 : 25,761.48 = 11,497.88 : x
  2. Step 2: Convert to fraction form
    18,669.08/25,761.48 = 11,497.88/x
  3. Step 3: Cross multiply
    18,669.08x = 25,761.48 × 11,497.88
  4. Step 4: Simplify right side
    18,669.08x = 296,202,405.66
  5. Step 5: Solve for x
    x = 296,202,405.66/18,669.08
  6. Step 6: Final answer
    x = 15,865.93

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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.