Home / 23,769.81-35,643.78-13,381.56

Finding the Fourth Proportional to 23,769.81, 35,643.78 and 13,381.56

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Solution

The fourth proportional to 23,769.81, 35,643.78 and 13,381.56 is: 20,066.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,769.81 : 35,643.78 = 13,381.56 : x
  2. Step 2: Convert to fraction form
    23,769.81/35,643.78 = 13,381.56/x
  3. Step 3: Cross multiply
    23,769.81x = 35,643.78 × 13,381.56
  4. Step 4: Simplify right side
    23,769.81x = 476,969,380.70
  5. Step 5: Solve for x
    x = 476,969,380.70/23,769.81
  6. Step 6: Final answer
    x = 20,066.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.