Home / 19,933.88-27,508.62-10,981.17

Finding the Fourth Proportional to 19,933.88, 27,508.62 and 10,981.17

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Solution

The fourth proportional to 19,933.88, 27,508.62 and 10,981.17 is: 15,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.88 : 27,508.62 = 10,981.17 : x
  2. Step 2: Convert to fraction form
    19,933.88/27,508.62 = 10,981.17/x
  3. Step 3: Cross multiply
    19,933.88x = 27,508.62 × 10,981.17
  4. Step 4: Simplify right side
    19,933.88x = 302,076,777.78
  5. Step 5: Solve for x
    x = 302,076,777.78/19,933.88
  6. Step 6: Final answer
    x = 15,153.94

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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.