Home / 22,083.12-30,458.16-15,369.12

Finding the Fourth Proportional to 22,083.12, 30,458.16 and 15,369.12

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Solution

The fourth proportional to 22,083.12, 30,458.16 and 15,369.12 is: 21,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,083.12 : 30,458.16 = 15,369.12 : x
  2. Step 2: Convert to fraction form
    22,083.12/30,458.16 = 15,369.12/x
  3. Step 3: Cross multiply
    22,083.12x = 30,458.16 × 15,369.12
  4. Step 4: Simplify right side
    22,083.12x = 468,115,116.02
  5. Step 5: Solve for x
    x = 468,115,116.02/22,083.12
  6. Step 6: Final answer
    x = 21,197.87

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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.