Home / 18,513.08-27,769.38-4,473

Finding the Fourth Proportional to 18,513.08, 27,769.38 and 4,473

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Solution

The fourth proportional to 18,513.08, 27,769.38 and 4,473 is: 6,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.08 : 27,769.38 = 4,473 : x
  2. Step 2: Convert to fraction form
    18,513.08/27,769.38 = 4,473/x
  3. Step 3: Cross multiply
    18,513.08x = 27,769.38 × 4,473
  4. Step 4: Simplify right side
    18,513.08x = 124,212,436.74
  5. Step 5: Solve for x
    x = 124,212,436.74/18,513.08
  6. Step 6: Final answer
    x = 6,709.44

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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.