Home / 25,299.52-34,914.72-14,121.28

Finding the Fourth Proportional to 25,299.52, 34,914.72 and 14,121.28

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Solution

The fourth proportional to 25,299.52, 34,914.72 and 14,121.28 is: 19,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.52 : 34,914.72 = 14,121.28 : x
  2. Step 2: Convert to fraction form
    25,299.52/34,914.72 = 14,121.28/x
  3. Step 3: Cross multiply
    25,299.52x = 34,914.72 × 14,121.28
  4. Step 4: Simplify right side
    25,299.52x = 493,040,537.24
  5. Step 5: Solve for x
    x = 493,040,537.24/25,299.52
  6. Step 6: Final answer
    x = 19,488.14

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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.