Home / 20,002.09-27,603.13-11,049.51

Finding the Fourth Proportional to 20,002.09, 27,603.13 and 11,049.51

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Solution

The fourth proportional to 20,002.09, 27,603.13 and 11,049.51 is: 15,248.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.09 : 27,603.13 = 11,049.51 : x
  2. Step 2: Convert to fraction form
    20,002.09/27,603.13 = 11,049.51/x
  3. Step 3: Cross multiply
    20,002.09x = 27,603.13 × 11,049.51
  4. Step 4: Simplify right side
    20,002.09x = 305,001,157.57
  5. Step 5: Solve for x
    x = 305,001,157.57/20,002.09
  6. Step 6: Final answer
    x = 15,248.46

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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.