Home / 25,107.52-37,661.28-8,680

Finding the Fourth Proportional to 25,107.52, 37,661.28 and 8,680

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Solution

The fourth proportional to 25,107.52, 37,661.28 and 8,680 is: 13,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.52 : 37,661.28 = 8,680 : x
  2. Step 2: Convert to fraction form
    25,107.52/37,661.28 = 8,680/x
  3. Step 3: Cross multiply
    25,107.52x = 37,661.28 × 8,680
  4. Step 4: Simplify right side
    25,107.52x = 326,899,910.40
  5. Step 5: Solve for x
    x = 326,899,910.40/25,107.52
  6. Step 6: Final answer
    x = 13,020.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.