Home / 22,163.82-30,585.92-12,603.71

Finding the Fourth Proportional to 22,163.82, 30,585.92 and 12,603.71

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Solution

The fourth proportional to 22,163.82, 30,585.92 and 12,603.71 is: 17,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.82 : 30,585.92 = 12,603.71 : x
  2. Step 2: Convert to fraction form
    22,163.82/30,585.92 = 12,603.71/x
  3. Step 3: Cross multiply
    22,163.82x = 30,585.92 × 12,603.71
  4. Step 4: Simplify right side
    22,163.82x = 385,495,978.06
  5. Step 5: Solve for x
    x = 385,495,978.06/22,163.82
  6. Step 6: Final answer
    x = 17,393.03

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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.