Home / 19,943.96-27,522.52-10,991.84

Finding the Fourth Proportional to 19,943.96, 27,522.52 and 10,991.84

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Solution

The fourth proportional to 19,943.96, 27,522.52 and 10,991.84 is: 15,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.96 : 27,522.52 = 10,991.84 : x
  2. Step 2: Convert to fraction form
    19,943.96/27,522.52 = 10,991.84/x
  3. Step 3: Cross multiply
    19,943.96x = 27,522.52 × 10,991.84
  4. Step 4: Simplify right side
    19,943.96x = 302,523,136.24
  5. Step 5: Solve for x
    x = 302,523,136.24/19,943.96
  6. Step 6: Final answer
    x = 15,168.66

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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.