Home / 19,943.40-27,523.47-10,992.54

Finding the Fourth Proportional to 19,943.40, 27,523.47 and 10,992.54

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Solution

The fourth proportional to 19,943.40, 27,523.47 and 10,992.54 is: 15,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.40 : 27,523.47 = 10,992.54 : x
  2. Step 2: Convert to fraction form
    19,943.40/27,523.47 = 10,992.54/x
  3. Step 3: Cross multiply
    19,943.40x = 27,523.47 × 10,992.54
  4. Step 4: Simplify right side
    19,943.40x = 302,552,844.91
  5. Step 5: Solve for x
    x = 302,552,844.91/19,943.40
  6. Step 6: Final answer
    x = 15,170.57

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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.