Home / 19,933.82-27,507.66-10,981.13

Finding the Fourth Proportional to 19,933.82, 27,507.66 and 10,981.13

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Solution

The fourth proportional to 19,933.82, 27,507.66 and 10,981.13 is: 15,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.82 : 27,507.66 = 10,981.13 : x
  2. Step 2: Convert to fraction form
    19,933.82/27,507.66 = 10,981.13/x
  3. Step 3: Cross multiply
    19,933.82x = 27,507.66 × 10,981.13
  4. Step 4: Simplify right side
    19,933.82x = 302,065,052.92
  5. Step 5: Solve for x
    x = 302,065,052.92/19,933.82
  6. Step 6: Final answer
    x = 15,153.40

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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.