Home / 20,059.49-27,682.12-10,984.80

Finding the Fourth Proportional to 20,059.49, 27,682.12 and 10,984.80

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Solution

The fourth proportional to 20,059.49, 27,682.12 and 10,984.80 is: 15,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.49 : 27,682.12 = 10,984.80 : x
  2. Step 2: Convert to fraction form
    20,059.49/27,682.12 = 10,984.80/x
  3. Step 3: Cross multiply
    20,059.49x = 27,682.12 × 10,984.80
  4. Step 4: Simplify right side
    20,059.49x = 304,082,551.78
  5. Step 5: Solve for x
    x = 304,082,551.78/20,059.49
  6. Step 6: Final answer
    x = 15,159.04

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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.