Home / 14,190.18-19,582.28-7,816.62

Finding the Fourth Proportional to 14,190.18, 19,582.28 and 7,816.62

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Solution

The fourth proportional to 14,190.18, 19,582.28 and 7,816.62 is: 10,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.18 : 19,582.28 = 7,816.62 : x
  2. Step 2: Convert to fraction form
    14,190.18/19,582.28 = 7,816.62/x
  3. Step 3: Cross multiply
    14,190.18x = 19,582.28 × 7,816.62
  4. Step 4: Simplify right side
    14,190.18x = 153,067,241.49
  5. Step 5: Solve for x
    x = 153,067,241.49/14,190.18
  6. Step 6: Final answer
    x = 10,786.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.