Home / 13,905.46-20,832.04-6,877.32

Finding the Fourth Proportional to 13,905.46, 20,832.04 and 6,877.32

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Solution

The fourth proportional to 13,905.46, 20,832.04 and 6,877.32 is: 10,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905.46 : 20,832.04 = 6,877.32 : x
  2. Step 2: Convert to fraction form
    13,905.46/20,832.04 = 6,877.32/x
  3. Step 3: Cross multiply
    13,905.46x = 20,832.04 × 6,877.32
  4. Step 4: Simplify right side
    13,905.46x = 143,268,605.33
  5. Step 5: Solve for x
    x = 143,268,605.33/13,905.46
  6. Step 6: Final answer
    x = 10,303.05

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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.