Home / 18,179.40-25,090.55-11,468.66

Finding the Fourth Proportional to 18,179.40, 25,090.55 and 11,468.66

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Solution

The fourth proportional to 18,179.40, 25,090.55 and 11,468.66 is: 15,828.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.40 : 25,090.55 = 11,468.66 : x
  2. Step 2: Convert to fraction form
    18,179.40/25,090.55 = 11,468.66/x
  3. Step 3: Cross multiply
    18,179.40x = 25,090.55 × 11,468.66
  4. Step 4: Simplify right side
    18,179.40x = 287,754,804.37
  5. Step 5: Solve for x
    x = 287,754,804.37/18,179.40
  6. Step 6: Final answer
    x = 15,828.62

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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.