Home / 21,627.16-32,430.66-11,236.12

Finding the Fourth Proportional to 21,627.16, 32,430.66 and 11,236.12

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Solution

The fourth proportional to 21,627.16, 32,430.66 and 11,236.12 is: 16,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.16 : 32,430.66 = 11,236.12 : x
  2. Step 2: Convert to fraction form
    21,627.16/32,430.66 = 11,236.12/x
  3. Step 3: Cross multiply
    21,627.16x = 32,430.66 × 11,236.12
  4. Step 4: Simplify right side
    21,627.16x = 364,394,787.44
  5. Step 5: Solve for x
    x = 364,394,787.44/21,627.16
  6. Step 6: Final answer
    x = 16,848.94

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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.