Home / 25,151.22-34,709.13-13,821.75

Finding the Fourth Proportional to 25,151.22, 34,709.13 and 13,821.75

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Solution

The fourth proportional to 25,151.22, 34,709.13 and 13,821.75 is: 19,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.22 : 34,709.13 = 13,821.75 : x
  2. Step 2: Convert to fraction form
    25,151.22/34,709.13 = 13,821.75/x
  3. Step 3: Cross multiply
    25,151.22x = 34,709.13 × 13,821.75
  4. Step 4: Simplify right side
    25,151.22x = 479,740,917.58
  5. Step 5: Solve for x
    x = 479,740,917.58/25,151.22
  6. Step 6: Final answer
    x = 19,074.26

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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.