Home / 20,037.84-27,652.56-11,085.12

Finding the Fourth Proportional to 20,037.84, 27,652.56 and 11,085.12

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Solution

The fourth proportional to 20,037.84, 27,652.56 and 11,085.12 is: 15,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.84 : 27,652.56 = 11,085.12 : x
  2. Step 2: Convert to fraction form
    20,037.84/27,652.56 = 11,085.12/x
  3. Step 3: Cross multiply
    20,037.84x = 27,652.56 × 11,085.12
  4. Step 4: Simplify right side
    20,037.84x = 306,531,945.91
  5. Step 5: Solve for x
    x = 306,531,945.91/20,037.84
  6. Step 6: Final answer
    x = 15,297.65

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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.