Home / 25,312.38-34,930.94-13,982.66

Finding the Fourth Proportional to 25,312.38, 34,930.94 and 13,982.66

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Solution

The fourth proportional to 25,312.38, 34,930.94 and 13,982.66 is: 19,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.38 : 34,930.94 = 13,982.66 : x
  2. Step 2: Convert to fraction form
    25,312.38/34,930.94 = 13,982.66/x
  3. Step 3: Cross multiply
    25,312.38x = 34,930.94 × 13,982.66
  4. Step 4: Simplify right side
    25,312.38x = 488,427,212.93
  5. Step 5: Solve for x
    x = 488,427,212.93/25,312.38
  6. Step 6: Final answer
    x = 19,295.98

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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.