Home / 25,670.20-38,519.70-10,876.60

Finding the Fourth Proportional to 25,670.20, 38,519.70 and 10,876.60

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Solution

The fourth proportional to 25,670.20, 38,519.70 and 10,876.60 is: 16,321.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.20 : 38,519.70 = 10,876.60 : x
  2. Step 2: Convert to fraction form
    25,670.20/38,519.70 = 10,876.60/x
  3. Step 3: Cross multiply
    25,670.20x = 38,519.70 × 10,876.60
  4. Step 4: Simplify right side
    25,670.20x = 418,963,369.02
  5. Step 5: Solve for x
    x = 418,963,369.02/25,670.20
  6. Step 6: Final answer
    x = 16,321.00

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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.