Home / 20,037.30-27,653.54-11,539.74

Finding the Fourth Proportional to 20,037.30, 27,653.54 and 11,539.74

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Solution

The fourth proportional to 20,037.30, 27,653.54 and 11,539.74 is: 15,926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.30 : 27,653.54 = 11,539.74 : x
  2. Step 2: Convert to fraction form
    20,037.30/27,653.54 = 11,539.74/x
  3. Step 3: Cross multiply
    20,037.30x = 27,653.54 × 11,539.74
  4. Step 4: Simplify right side
    20,037.30x = 319,114,661.68
  5. Step 5: Solve for x
    x = 319,114,661.68/20,037.30
  6. Step 6: Final answer
    x = 15,926.03

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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.