Home / 14,735.31-20,335.16-8,021.37

Finding the Fourth Proportional to 14,735.31, 20,335.16 and 8,021.37

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Solution

The fourth proportional to 14,735.31, 20,335.16 and 8,021.37 is: 11,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.31 : 20,335.16 = 8,021.37 : x
  2. Step 2: Convert to fraction form
    14,735.31/20,335.16 = 8,021.37/x
  3. Step 3: Cross multiply
    14,735.31x = 20,335.16 × 8,021.37
  4. Step 4: Simplify right side
    14,735.31x = 163,115,842.37
  5. Step 5: Solve for x
    x = 163,115,842.37/14,735.31
  6. Step 6: Final answer
    x = 11,069.73

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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.