Home / 14,744.31-20,347.55-8,370.77

Finding the Fourth Proportional to 14,744.31, 20,347.55 and 8,370.77

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Solution

The fourth proportional to 14,744.31, 20,347.55 and 8,370.77 is: 11,551.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.31 : 20,347.55 = 8,370.77 : x
  2. Step 2: Convert to fraction form
    14,744.31/20,347.55 = 8,370.77/x
  3. Step 3: Cross multiply
    14,744.31x = 20,347.55 × 8,370.77
  4. Step 4: Simplify right side
    14,744.31x = 170,324,517.52
  5. Step 5: Solve for x
    x = 170,324,517.52/14,744.31
  6. Step 6: Final answer
    x = 11,551.88

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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.