Home / 13,642.04-20,473.36-6,251.70

Finding the Fourth Proportional to 13,642.04, 20,473.36 and 6,251.70

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Solution

The fourth proportional to 13,642.04, 20,473.36 and 6,251.70 is: 9,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642.04 : 20,473.36 = 6,251.70 : x
  2. Step 2: Convert to fraction form
    13,642.04/20,473.36 = 6,251.70/x
  3. Step 3: Cross multiply
    13,642.04x = 20,473.36 × 6,251.70
  4. Step 4: Simplify right side
    13,642.04x = 127,993,250.70
  5. Step 5: Solve for x
    x = 127,993,250.70/13,642.04
  6. Step 6: Final answer
    x = 9,382.27

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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.