Home / 13,661.87-20,476.80-6,267.04

Finding the Fourth Proportional to 13,661.87, 20,476.80 and 6,267.04

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Solution

The fourth proportional to 13,661.87, 20,476.80 and 6,267.04 is: 9,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.87 : 20,476.80 = 6,267.04 : x
  2. Step 2: Convert to fraction form
    13,661.87/20,476.80 = 6,267.04/x
  3. Step 3: Cross multiply
    13,661.87x = 20,476.80 × 6,267.04
  4. Step 4: Simplify right side
    13,661.87x = 128,328,873.48
  5. Step 5: Solve for x
    x = 128,328,873.48/13,661.87
  6. Step 6: Final answer
    x = 9,393.22

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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.