Home / 16,251.36-22,428.38-9,876.48

Finding the Fourth Proportional to 16,251.36, 22,428.38 and 9,876.48

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Solution

The fourth proportional to 16,251.36, 22,428.38 and 9,876.48 is: 13,630.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.36 : 22,428.38 = 9,876.48 : x
  2. Step 2: Convert to fraction form
    16,251.36/22,428.38 = 9,876.48/x
  3. Step 3: Cross multiply
    16,251.36x = 22,428.38 × 9,876.48
  4. Step 4: Simplify right side
    16,251.36x = 221,513,446.50
  5. Step 5: Solve for x
    x = 221,513,446.50/16,251.36
  6. Step 6: Final answer
    x = 13,630.46

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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.