Home / 22,274.23-30,739.21-12,203.55

Finding the Fourth Proportional to 22,274.23, 30,739.21 and 12,203.55

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Solution

The fourth proportional to 22,274.23, 30,739.21 and 12,203.55 is: 16,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.23 : 30,739.21 = 12,203.55 : x
  2. Step 2: Convert to fraction form
    22,274.23/30,739.21 = 12,203.55/x
  3. Step 3: Cross multiply
    22,274.23x = 30,739.21 × 12,203.55
  4. Step 4: Simplify right side
    22,274.23x = 375,127,486.20
  5. Step 5: Solve for x
    x = 375,127,486.20/22,274.23
  6. Step 6: Final answer
    x = 16,841.32

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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.