Home / 15,223.44-21,013.11-9,848.28

Finding the Fourth Proportional to 15,223.44, 21,013.11 and 9,848.28

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Solution

The fourth proportional to 15,223.44, 21,013.11 and 9,848.28 is: 13,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223.44 : 21,013.11 = 9,848.28 : x
  2. Step 2: Convert to fraction form
    15,223.44/21,013.11 = 9,848.28/x
  3. Step 3: Cross multiply
    15,223.44x = 21,013.11 × 9,848.28
  4. Step 4: Simplify right side
    15,223.44x = 206,942,990.95
  5. Step 5: Solve for x
    x = 206,942,990.95/15,223.44
  6. Step 6: Final answer
    x = 13,593.71

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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.