Home / 25,713.18-38,573.64-7,942.38

Finding the Fourth Proportional to 25,713.18, 38,573.64 and 7,942.38

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Solution

The fourth proportional to 25,713.18, 38,573.64 and 7,942.38 is: 11,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,713.18 : 38,573.64 = 7,942.38 : x
  2. Step 2: Convert to fraction form
    25,713.18/38,573.64 = 7,942.38/x
  3. Step 3: Cross multiply
    25,713.18x = 38,573.64 × 7,942.38
  4. Step 4: Simplify right side
    25,713.18x = 306,366,506.86
  5. Step 5: Solve for x
    x = 306,366,506.86/25,713.18
  6. Step 6: Final answer
    x = 11,914.77

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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.