Home / 14,654.82-20,235.24-13,535.31

Finding the Fourth Proportional to 14,654.82, 20,235.24 and 13,535.31

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Solution

The fourth proportional to 14,654.82, 20,235.24 and 13,535.31 is: 18,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.82 : 20,235.24 = 13,535.31 : x
  2. Step 2: Convert to fraction form
    14,654.82/20,235.24 = 13,535.31/x
  3. Step 3: Cross multiply
    14,654.82x = 20,235.24 × 13,535.31
  4. Step 4: Simplify right side
    14,654.82x = 273,890,246.32
  5. Step 5: Solve for x
    x = 273,890,246.32/14,654.82
  6. Step 6: Final answer
    x = 18,689.43

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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.