Home / 25,106.12-34,646.48-13,928.12

Finding the Fourth Proportional to 25,106.12, 34,646.48 and 13,928.12

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Solution

The fourth proportional to 25,106.12, 34,646.48 and 13,928.12 is: 19,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,106.12 : 34,646.48 = 13,928.12 : x
  2. Step 2: Convert to fraction form
    25,106.12/34,646.48 = 13,928.12/x
  3. Step 3: Cross multiply
    25,106.12x = 34,646.48 × 13,928.12
  4. Step 4: Simplify right side
    25,106.12x = 482,560,331.02
  5. Step 5: Solve for x
    x = 482,560,331.02/25,106.12
  6. Step 6: Final answer
    x = 19,220.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.