Home / 13,816.18-20,724.36-8,566.46

Finding the Fourth Proportional to 13,816.18, 20,724.36 and 8,566.46

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Solution

The fourth proportional to 13,816.18, 20,724.36 and 8,566.46 is: 12,849.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.18 : 20,724.36 = 8,566.46 : x
  2. Step 2: Convert to fraction form
    13,816.18/20,724.36 = 8,566.46/x
  3. Step 3: Cross multiply
    13,816.18x = 20,724.36 × 8,566.46
  4. Step 4: Simplify right side
    13,816.18x = 177,534,400.97
  5. Step 5: Solve for x
    x = 177,534,400.97/13,816.18
  6. Step 6: Final answer
    x = 12,849.75

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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.