Home / 20,132.10-27,768.69-16,589.70

Finding the Fourth Proportional to 20,132.10, 27,768.69 and 16,589.70

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Solution

The fourth proportional to 20,132.10, 27,768.69 and 16,589.70 is: 22,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132.10 : 27,768.69 = 16,589.70 : x
  2. Step 2: Convert to fraction form
    20,132.10/27,768.69 = 16,589.70/x
  3. Step 3: Cross multiply
    20,132.10x = 27,768.69 × 16,589.70
  4. Step 4: Simplify right side
    20,132.10x = 460,674,236.49
  5. Step 5: Solve for x
    x = 460,674,236.49/20,132.10
  6. Step 6: Final answer
    x = 22,882.57

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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.