Home / 20,093.04-27,725.76-11,140.08

Finding the Fourth Proportional to 20,093.04, 27,725.76 and 11,140.08

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Solution

The fourth proportional to 20,093.04, 27,725.76 and 11,140.08 is: 15,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.04 : 27,725.76 = 11,140.08 : x
  2. Step 2: Convert to fraction form
    20,093.04/27,725.76 = 11,140.08/x
  3. Step 3: Cross multiply
    20,093.04x = 27,725.76 × 11,140.08
  4. Step 4: Simplify right side
    20,093.04x = 308,867,184.46
  5. Step 5: Solve for x
    x = 308,867,184.46/20,093.04
  6. Step 6: Final answer
    x = 15,371.85

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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.