Home / 21,414.16-32,113.26-7,370.20

Finding the Fourth Proportional to 21,414.16, 32,113.26 and 7,370.20

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Solution

The fourth proportional to 21,414.16, 32,113.26 and 7,370.20 is: 11,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414.16 : 32,113.26 = 7,370.20 : x
  2. Step 2: Convert to fraction form
    21,414.16/32,113.26 = 7,370.20/x
  3. Step 3: Cross multiply
    21,414.16x = 32,113.26 × 7,370.20
  4. Step 4: Simplify right side
    21,414.16x = 236,681,148.85
  5. Step 5: Solve for x
    x = 236,681,148.85/21,414.16
  6. Step 6: Final answer
    x = 11,052.55

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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.