Home / 20,242.14-27,934.59-12,283.48

Finding the Fourth Proportional to 20,242.14, 27,934.59 and 12,283.48

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Solution

The fourth proportional to 20,242.14, 27,934.59 and 12,283.48 is: 16,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.14 : 27,934.59 = 12,283.48 : x
  2. Step 2: Convert to fraction form
    20,242.14/27,934.59 = 12,283.48/x
  3. Step 3: Cross multiply
    20,242.14x = 27,934.59 × 12,283.48
  4. Step 4: Simplify right side
    20,242.14x = 343,133,977.57
  5. Step 5: Solve for x
    x = 343,133,977.57/20,242.14
  6. Step 6: Final answer
    x = 16,951.47

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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.