Home / 19,945.72-27,523.66-10,992.70

Finding the Fourth Proportional to 19,945.72, 27,523.66 and 10,992.70

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Solution

The fourth proportional to 19,945.72, 27,523.66 and 10,992.70 is: 15,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.72 : 27,523.66 = 10,992.70 : x
  2. Step 2: Convert to fraction form
    19,945.72/27,523.66 = 10,992.70/x
  3. Step 3: Cross multiply
    19,945.72x = 27,523.66 × 10,992.70
  4. Step 4: Simplify right side
    19,945.72x = 302,559,337.28
  5. Step 5: Solve for x
    x = 302,559,337.28/19,945.72
  6. Step 6: Final answer
    x = 15,169.14

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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.