Home / 25,319.00-37,983.12-8,680.72

Finding the Fourth Proportional to 25,319.00, 37,983.12 and 8,680.72

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Solution

The fourth proportional to 25,319.00, 37,983.12 and 8,680.72 is: 13,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,319.00 : 37,983.12 = 8,680.72 : x
  2. Step 2: Convert to fraction form
    25,319.00/37,983.12 = 8,680.72/x
  3. Step 3: Cross multiply
    25,319.00x = 37,983.12 × 8,680.72
  4. Step 4: Simplify right side
    25,319.00x = 329,720,596.13
  5. Step 5: Solve for x
    x = 329,720,596.13/25,319.00
  6. Step 6: Final answer
    x = 13,022.65

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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.