Home / 22,138.18-30,548.43-13,063.30

Finding the Fourth Proportional to 22,138.18, 30,548.43 and 13,063.30

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Solution

The fourth proportional to 22,138.18, 30,548.43 and 13,063.30 is: 18,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.18 : 30,548.43 = 13,063.30 : x
  2. Step 2: Convert to fraction form
    22,138.18/30,548.43 = 13,063.30/x
  3. Step 3: Cross multiply
    22,138.18x = 30,548.43 × 13,063.30
  4. Step 4: Simplify right side
    22,138.18x = 399,063,305.62
  5. Step 5: Solve for x
    x = 399,063,305.62/22,138.18
  6. Step 6: Final answer
    x = 18,026.02

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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.