Home / 25,305.92-34,922.72-13,975.39

Finding the Fourth Proportional to 25,305.92, 34,922.72 and 13,975.39

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Solution

The fourth proportional to 25,305.92, 34,922.72 and 13,975.39 is: 19,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305.92 : 34,922.72 = 13,975.39 : x
  2. Step 2: Convert to fraction form
    25,305.92/34,922.72 = 13,975.39/x
  3. Step 3: Cross multiply
    25,305.92x = 34,922.72 × 13,975.39
  4. Step 4: Simplify right side
    25,305.92x = 488,058,631.86
  5. Step 5: Solve for x
    x = 488,058,631.86/25,305.92
  6. Step 6: Final answer
    x = 19,286.34

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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.