Home / 20,095.04-27,729.12-11,141.12

Finding the Fourth Proportional to 20,095.04, 27,729.12 and 11,141.12

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Solution

The fourth proportional to 20,095.04, 27,729.12 and 11,141.12 is: 15,373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.04 : 27,729.12 = 11,141.12 : x
  2. Step 2: Convert to fraction form
    20,095.04/27,729.12 = 11,141.12/x
  3. Step 3: Cross multiply
    20,095.04x = 27,729.12 × 11,141.12
  4. Step 4: Simplify right side
    20,095.04x = 308,933,453.41
  5. Step 5: Solve for x
    x = 308,933,453.41/20,095.04
  6. Step 6: Final answer
    x = 15,373.62

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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.