Home / 25,107.14-34,647.68-13,929.14

Finding the Fourth Proportional to 25,107.14, 34,647.68 and 13,929.14

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Solution

The fourth proportional to 25,107.14, 34,647.68 and 13,929.14 is: 19,222.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.14 : 34,647.68 = 13,929.14 : x
  2. Step 2: Convert to fraction form
    25,107.14/34,647.68 = 13,929.14/x
  3. Step 3: Cross multiply
    25,107.14x = 34,647.68 × 13,929.14
  4. Step 4: Simplify right side
    25,107.14x = 482,612,385.40
  5. Step 5: Solve for x
    x = 482,612,385.40/25,107.14
  6. Step 6: Final answer
    x = 19,222.12

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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.