Home / 25,078.51-34,608.16-13,748.48

Finding the Fourth Proportional to 25,078.51, 34,608.16 and 13,748.48

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Solution

The fourth proportional to 25,078.51, 34,608.16 and 13,748.48 is: 18,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.51 : 34,608.16 = 13,748.48 : x
  2. Step 2: Convert to fraction form
    25,078.51/34,608.16 = 13,748.48/x
  3. Step 3: Cross multiply
    25,078.51x = 34,608.16 × 13,748.48
  4. Step 4: Simplify right side
    25,078.51x = 475,809,764.19
  5. Step 5: Solve for x
    x = 475,809,764.19/25,078.51
  6. Step 6: Final answer
    x = 18,972.81

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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.