Home / 18,270.08-25,195.21-11,101.17

Finding the Fourth Proportional to 18,270.08, 25,195.21 and 11,101.17

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Solution

The fourth proportional to 18,270.08, 25,195.21 and 11,101.17 is: 15,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.08 : 25,195.21 = 11,101.17 : x
  2. Step 2: Convert to fraction form
    18,270.08/25,195.21 = 11,101.17/x
  3. Step 3: Cross multiply
    18,270.08x = 25,195.21 × 11,101.17
  4. Step 4: Simplify right side
    18,270.08x = 279,696,309.40
  5. Step 5: Solve for x
    x = 279,696,309.40/18,270.08
  6. Step 6: Final answer
    x = 15,308.98

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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.