Home / 18,266.72-25,182.97-11,548.98

Finding the Fourth Proportional to 18,266.72, 25,182.97 and 11,548.98

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Solution

The fourth proportional to 18,266.72, 25,182.97 and 11,548.98 is: 15,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.72 : 25,182.97 = 11,548.98 : x
  2. Step 2: Convert to fraction form
    18,266.72/25,182.97 = 11,548.98/x
  3. Step 3: Cross multiply
    18,266.72x = 25,182.97 × 11,548.98
  4. Step 4: Simplify right side
    18,266.72x = 290,837,588.00
  5. Step 5: Solve for x
    x = 290,837,588.00/18,266.72
  6. Step 6: Final answer
    x = 15,921.72

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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.