Home / 14,765.75-20,333.18-13,193.27

Finding the Fourth Proportional to 14,765.75, 20,333.18 and 13,193.27

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Solution

The fourth proportional to 14,765.75, 20,333.18 and 13,193.27 is: 18,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.75 : 20,333.18 = 13,193.27 : x
  2. Step 2: Convert to fraction form
    14,765.75/20,333.18 = 13,193.27/x
  3. Step 3: Cross multiply
    14,765.75x = 20,333.18 × 13,193.27
  4. Step 4: Simplify right side
    14,765.75x = 268,260,966.07
  5. Step 5: Solve for x
    x = 268,260,966.07/14,765.75
  6. Step 6: Final answer
    x = 18,167.79

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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.