Home / 13,704.04-20,548.08-5,374.29

Finding the Fourth Proportional to 13,704.04, 20,548.08 and 5,374.29

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Solution

The fourth proportional to 13,704.04, 20,548.08 and 5,374.29 is: 8,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.04 : 20,548.08 = 5,374.29 : x
  2. Step 2: Convert to fraction form
    13,704.04/20,548.08 = 5,374.29/x
  3. Step 3: Cross multiply
    13,704.04x = 20,548.08 × 5,374.29
  4. Step 4: Simplify right side
    13,704.04x = 110,431,340.86
  5. Step 5: Solve for x
    x = 110,431,340.86/13,704.04
  6. Step 6: Final answer
    x = 8,058.31

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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.