Home / 13,654.14-20,464.60-7,399.32

Finding the Fourth Proportional to 13,654.14, 20,464.60 and 7,399.32

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Solution

The fourth proportional to 13,654.14, 20,464.60 and 7,399.32 is: 11,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.14 : 20,464.60 = 7,399.32 : x
  2. Step 2: Convert to fraction form
    13,654.14/20,464.60 = 7,399.32/x
  3. Step 3: Cross multiply
    13,654.14x = 20,464.60 × 7,399.32
  4. Step 4: Simplify right side
    13,654.14x = 151,424,042.71
  5. Step 5: Solve for x
    x = 151,424,042.71/13,654.14
  6. Step 6: Final answer
    x = 11,089.98

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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.