Home / 20,033.08-27,642.58-11,533.56

Finding the Fourth Proportional to 20,033.08, 27,642.58 and 11,533.56

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Solution

The fourth proportional to 20,033.08, 27,642.58 and 11,533.56 is: 15,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.08 : 27,642.58 = 11,533.56 : x
  2. Step 2: Convert to fraction form
    20,033.08/27,642.58 = 11,533.56/x
  3. Step 3: Cross multiply
    20,033.08x = 27,642.58 × 11,533.56
  4. Step 4: Simplify right side
    20,033.08x = 318,817,354.98
  5. Step 5: Solve for x
    x = 318,817,354.98/20,033.08
  6. Step 6: Final answer
    x = 15,914.55

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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.