Home / 18,505.11-25,536.41-10,549.91

Finding the Fourth Proportional to 18,505.11, 25,536.41 and 10,549.91

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Solution

The fourth proportional to 18,505.11, 25,536.41 and 10,549.91 is: 14,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,505.11 : 25,536.41 = 10,549.91 : x
  2. Step 2: Convert to fraction form
    18,505.11/25,536.41 = 10,549.91/x
  3. Step 3: Cross multiply
    18,505.11x = 25,536.41 × 10,549.91
  4. Step 4: Simplify right side
    18,505.11x = 269,406,725.92
  5. Step 5: Solve for x
    x = 269,406,725.92/18,505.11
  6. Step 6: Final answer
    x = 14,558.50

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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.