Home / 14,660.05-21,990.07-3,566.74

Finding the Fourth Proportional to 14,660.05, 21,990.07 and 3,566.74

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Solution

The fourth proportional to 14,660.05, 21,990.07 and 3,566.74 is: 5,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.05 : 21,990.07 = 3,566.74 : x
  2. Step 2: Convert to fraction form
    14,660.05/21,990.07 = 3,566.74/x
  3. Step 3: Cross multiply
    14,660.05x = 21,990.07 × 3,566.74
  4. Step 4: Simplify right side
    14,660.05x = 78,432,844.44
  5. Step 5: Solve for x
    x = 78,432,844.44/14,660.05
  6. Step 6: Final answer
    x = 5,350.11

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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.