Home / 20,533.21-28,334.31-12,034.82

Finding the Fourth Proportional to 20,533.21, 28,334.31 and 12,034.82

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Solution

The fourth proportional to 20,533.21, 28,334.31 and 12,034.82 is: 16,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533.21 : 28,334.31 = 12,034.82 : x
  2. Step 2: Convert to fraction form
    20,533.21/28,334.31 = 12,034.82/x
  3. Step 3: Cross multiply
    20,533.21x = 28,334.31 × 12,034.82
  4. Step 4: Simplify right side
    20,533.21x = 340,998,320.67
  5. Step 5: Solve for x
    x = 340,998,320.67/20,533.21
  6. Step 6: Final answer
    x = 16,607.16

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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.