Home / 25,078.97-34,608.90-13,748.94

Finding the Fourth Proportional to 25,078.97, 34,608.90 and 13,748.94

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Solution

The fourth proportional to 25,078.97, 34,608.90 and 13,748.94 is: 18,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.97 : 34,608.90 = 13,748.94 : x
  2. Step 2: Convert to fraction form
    25,078.97/34,608.90 = 13,748.94/x
  3. Step 3: Cross multiply
    25,078.97x = 34,608.90 × 13,748.94
  4. Step 4: Simplify right side
    25,078.97x = 475,835,741.12
  5. Step 5: Solve for x
    x = 475,835,741.12/25,078.97
  6. Step 6: Final answer
    x = 18,973.49

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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.