Home / 13,898.32-20,844.98-6,876.08

Finding the Fourth Proportional to 13,898.32, 20,844.98 and 6,876.08

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Solution

The fourth proportional to 13,898.32, 20,844.98 and 6,876.08 is: 10,312.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.32 : 20,844.98 = 6,876.08 : x
  2. Step 2: Convert to fraction form
    13,898.32/20,844.98 = 6,876.08/x
  3. Step 3: Cross multiply
    13,898.32x = 20,844.98 × 6,876.08
  4. Step 4: Simplify right side
    13,898.32x = 143,331,750.08
  5. Step 5: Solve for x
    x = 143,331,750.08/13,898.32
  6. Step 6: Final answer
    x = 10,312.88

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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.