Home / 20,151.56-27,801.18-11,652.12

Finding the Fourth Proportional to 20,151.56, 27,801.18 and 11,652.12

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Solution

The fourth proportional to 20,151.56, 27,801.18 and 11,652.12 is: 16,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151.56 : 27,801.18 = 11,652.12 : x
  2. Step 2: Convert to fraction form
    20,151.56/27,801.18 = 11,652.12/x
  3. Step 3: Cross multiply
    20,151.56x = 27,801.18 × 11,652.12
  4. Step 4: Simplify right side
    20,151.56x = 323,942,685.50
  5. Step 5: Solve for x
    x = 323,942,685.50/20,151.56
  6. Step 6: Final answer
    x = 16,075.32

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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.