Home / 14,660.21-21,990.11-3,566.93

Finding the Fourth Proportional to 14,660.21, 21,990.11 and 3,566.93

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Solution

The fourth proportional to 14,660.21, 21,990.11 and 3,566.93 is: 5,350.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.21 : 21,990.11 = 3,566.93 : x
  2. Step 2: Convert to fraction form
    14,660.21/21,990.11 = 3,566.93/x
  3. Step 3: Cross multiply
    14,660.21x = 21,990.11 × 3,566.93
  4. Step 4: Simplify right side
    14,660.21x = 78,437,075.34
  5. Step 5: Solve for x
    x = 78,437,075.34/14,660.21
  6. Step 6: Final answer
    x = 5,350.34

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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.