Home / 25,187.63-34,759.52-13,857.76

Finding the Fourth Proportional to 25,187.63, 34,759.52 and 13,857.76

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Solution

The fourth proportional to 25,187.63, 34,759.52 and 13,857.76 is: 19,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.63 : 34,759.52 = 13,857.76 : x
  2. Step 2: Convert to fraction form
    25,187.63/34,759.52 = 13,857.76/x
  3. Step 3: Cross multiply
    25,187.63x = 34,759.52 × 13,857.76
  4. Step 4: Simplify right side
    25,187.63x = 481,689,033.62
  5. Step 5: Solve for x
    x = 481,689,033.62/25,187.63
  6. Step 6: Final answer
    x = 19,124.03

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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.