Home / 26,125.66-39,188.49-18,369.10

Finding the Fourth Proportional to 26,125.66, 39,188.49 and 18,369.10

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Solution

The fourth proportional to 26,125.66, 39,188.49 and 18,369.10 is: 27,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,125.66 : 39,188.49 = 18,369.10 : x
  2. Step 2: Convert to fraction form
    26,125.66/39,188.49 = 18,369.10/x
  3. Step 3: Cross multiply
    26,125.66x = 39,188.49 × 18,369.10
  4. Step 4: Simplify right side
    26,125.66x = 719,857,291.66
  5. Step 5: Solve for x
    x = 719,857,291.66/26,125.66
  6. Step 6: Final answer
    x = 27,553.65

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1.5x scale

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.