Home / 20,048.38-27,666.83-12,090.94

Finding the Fourth Proportional to 20,048.38, 27,666.83 and 12,090.94

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Solution

The fourth proportional to 20,048.38, 27,666.83 and 12,090.94 is: 16,685.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.38 : 27,666.83 = 12,090.94 : x
  2. Step 2: Convert to fraction form
    20,048.38/27,666.83 = 12,090.94/x
  3. Step 3: Cross multiply
    20,048.38x = 27,666.83 × 12,090.94
  4. Step 4: Simplify right side
    20,048.38x = 334,517,981.52
  5. Step 5: Solve for x
    x = 334,517,981.52/20,048.38
  6. Step 6: Final answer
    x = 16,685.54

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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.