Home / 20,084.49-27,713.34-12,529.62

Finding the Fourth Proportional to 20,084.49, 27,713.34 and 12,529.62

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Solution

The fourth proportional to 20,084.49, 27,713.34 and 12,529.62 is: 17,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.49 : 27,713.34 = 12,529.62 : x
  2. Step 2: Convert to fraction form
    20,084.49/27,713.34 = 12,529.62/x
  3. Step 3: Cross multiply
    20,084.49x = 27,713.34 × 12,529.62
  4. Step 4: Simplify right side
    20,084.49x = 347,237,619.13
  5. Step 5: Solve for x
    x = 347,237,619.13/20,084.49
  6. Step 6: Final answer
    x = 17,288.84

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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.