Home / 25,453.72-38,206.50-18,066.52

Finding the Fourth Proportional to 25,453.72, 38,206.50 and 18,066.52

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Solution

The fourth proportional to 25,453.72, 38,206.50 and 18,066.52 is: 27,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.72 : 38,206.50 = 18,066.52 : x
  2. Step 2: Convert to fraction form
    25,453.72/38,206.50 = 18,066.52/x
  3. Step 3: Cross multiply
    25,453.72x = 38,206.50 × 18,066.52
  4. Step 4: Simplify right side
    25,453.72x = 690,258,496.38
  5. Step 5: Solve for x
    x = 690,258,496.38/25,453.72
  6. Step 6: Final answer
    x = 27,118.18

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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.