Home / 27,673.70-38,178.15-18,115.93

Finding the Fourth Proportional to 27,673.70, 38,178.15 and 18,115.93

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Solution

The fourth proportional to 27,673.70, 38,178.15 and 18,115.93 is: 24,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,673.70 : 38,178.15 = 18,115.93 : x
  2. Step 2: Convert to fraction form
    27,673.70/38,178.15 = 18,115.93/x
  3. Step 3: Cross multiply
    27,673.70x = 38,178.15 × 18,115.93
  4. Step 4: Simplify right side
    27,673.70x = 691,632,502.04
  5. Step 5: Solve for x
    x = 691,632,502.04/27,673.70
  6. Step 6: Final answer
    x = 24,992.41

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1.5x scale

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.