Home / 22,197.51-30,633.50-12,766.08

Finding the Fourth Proportional to 22,197.51, 30,633.50 and 12,766.08

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Solution

The fourth proportional to 22,197.51, 30,633.50 and 12,766.08 is: 17,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.51 : 30,633.50 = 12,766.08 : x
  2. Step 2: Convert to fraction form
    22,197.51/30,633.50 = 12,766.08/x
  3. Step 3: Cross multiply
    22,197.51x = 30,633.50 × 12,766.08
  4. Step 4: Simplify right side
    22,197.51x = 391,069,647.85
  5. Step 5: Solve for x
    x = 391,069,647.85/22,197.51
  6. Step 6: Final answer
    x = 17,617.73

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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.