Home / 25,134.51-34,686.20-14,380.39

Finding the Fourth Proportional to 25,134.51, 34,686.20 and 14,380.39

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Solution

The fourth proportional to 25,134.51, 34,686.20 and 14,380.39 is: 19,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134.51 : 34,686.20 = 14,380.39 : x
  2. Step 2: Convert to fraction form
    25,134.51/34,686.20 = 14,380.39/x
  3. Step 3: Cross multiply
    25,134.51x = 34,686.20 × 14,380.39
  4. Step 4: Simplify right side
    25,134.51x = 498,801,083.62
  5. Step 5: Solve for x
    x = 498,801,083.62/25,134.51
  6. Step 6: Final answer
    x = 19,845.27

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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.