Home / 18,189.02-25,090.22-11,472.23

Finding the Fourth Proportional to 18,189.02, 25,090.22 and 11,472.23

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Solution

The fourth proportional to 18,189.02, 25,090.22 and 11,472.23 is: 15,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.02 : 25,090.22 = 11,472.23 : x
  2. Step 2: Convert to fraction form
    18,189.02/25,090.22 = 11,472.23/x
  3. Step 3: Cross multiply
    18,189.02x = 25,090.22 × 11,472.23
  4. Step 4: Simplify right side
    18,189.02x = 287,840,866.00
  5. Step 5: Solve for x
    x = 287,840,866.00/18,189.02
  6. Step 6: Final answer
    x = 15,824.98

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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.