Home / 22,197.53-30,632.61-12,766.09

Finding the Fourth Proportional to 22,197.53, 30,632.61 and 12,766.09

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Solution

The fourth proportional to 22,197.53, 30,632.61 and 12,766.09 is: 17,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.53 : 30,632.61 = 12,766.09 : x
  2. Step 2: Convert to fraction form
    22,197.53/30,632.61 = 12,766.09/x
  3. Step 3: Cross multiply
    22,197.53x = 30,632.61 × 12,766.09
  4. Step 4: Simplify right side
    22,197.53x = 391,058,656.19
  5. Step 5: Solve for x
    x = 391,058,656.19/22,197.53
  6. Step 6: Final answer
    x = 17,617.21

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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.