Home / 22,174.21-33,274.10-12,312.66

Finding the Fourth Proportional to 22,174.21, 33,274.10 and 12,312.66

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Solution

The fourth proportional to 22,174.21, 33,274.10 and 12,312.66 is: 18,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,174.21 : 33,274.10 = 12,312.66 : x
  2. Step 2: Convert to fraction form
    22,174.21/33,274.10 = 12,312.66/x
  3. Step 3: Cross multiply
    22,174.21x = 33,274.10 × 12,312.66
  4. Step 4: Simplify right side
    22,174.21x = 409,692,680.11
  5. Step 5: Solve for x
    x = 409,692,680.11/22,174.21
  6. Step 6: Final answer
    x = 18,476.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.