Home / 19,944.21-27,523.18-10,991.74

Finding the Fourth Proportional to 19,944.21, 27,523.18 and 10,991.74

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Solution

The fourth proportional to 19,944.21, 27,523.18 and 10,991.74 is: 15,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.21 : 27,523.18 = 10,991.74 : x
  2. Step 2: Convert to fraction form
    19,944.21/27,523.18 = 10,991.74/x
  3. Step 3: Cross multiply
    19,944.21x = 27,523.18 × 10,991.74
  4. Step 4: Simplify right side
    19,944.21x = 302,527,638.53
  5. Step 5: Solve for x
    x = 302,527,638.53/19,944.21
  6. Step 6: Final answer
    x = 15,168.70

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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.