Home / 20,002.44-27,603-11,049.72

Finding the Fourth Proportional to 20,002.44, 27,603 and 11,049.72

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Solution

The fourth proportional to 20,002.44, 27,603 and 11,049.72 is: 15,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.44 : 27,603 = 11,049.72 : x
  2. Step 2: Convert to fraction form
    20,002.44/27,603 = 11,049.72/x
  3. Step 3: Cross multiply
    20,002.44x = 27,603 × 11,049.72
  4. Step 4: Simplify right side
    20,002.44x = 305,005,421.16
  5. Step 5: Solve for x
    x = 305,005,421.16/20,002.44
  6. Step 6: Final answer
    x = 15,248.41

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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.