Home / 25,611.54-38,390.96-18,573.98

Finding the Fourth Proportional to 25,611.54, 38,390.96 and 18,573.98

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Solution

The fourth proportional to 25,611.54, 38,390.96 and 18,573.98 is: 27,841.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.54 : 38,390.96 = 18,573.98 : x
  2. Step 2: Convert to fraction form
    25,611.54/38,390.96 = 18,573.98/x
  3. Step 3: Cross multiply
    25,611.54x = 38,390.96 × 18,573.98
  4. Step 4: Simplify right side
    25,611.54x = 713,072,923.22
  5. Step 5: Solve for x
    x = 713,072,923.22/25,611.54
  6. Step 6: Final answer
    x = 27,841.86

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1.5x scale

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.